Mathematics
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OpenStudy (anonymous):
Billy has 1 gallon of paint. He is going to pour it into a paint tray that measures 10 inches wide, 14 inches long, and 4 cm deep.
12 years ago
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hartnn (hartnn):
what do you need help with ?
12 years ago
OpenStudy (anonymous):
Billy has 1 gallon of paint. He is going to pour it into a paint tray that measures 10 inches wide, 14 inches long, and 4 cm deep.
(1 gallon = 231 in3, 1 inch = 2.54 cm)
Which of the following scenarios will happen?
The paint will not fill the tray by 441 cm3.
The paint will not fill the tray by 10.53 in3.
The paint will fill the tray exactly.
The paint will overfill the tray by 10.53 in3.
12 years ago
OpenStudy (anonymous):
my question has been around for an hour and i still have no replies
12 years ago
OpenStudy (anonymous):
mine too
12 years ago
OpenStudy (anonymous):
i have so many question and no one helps me
12 years ago
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OpenStudy (anonymous):
i managed to help out 2 other people
12 years ago
OpenStudy (anonymous):
yeah but i need help now
12 years ago
hartnn (hartnn):
volume of tray = length *base*height = 10*14*4 = ... ?
12 years ago
OpenStudy (anonymous):
see i dont know
12 years ago
OpenStudy (anonymous):
im not good at math
12 years ago
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hartnn (hartnn):
wait, first you need to convert the 4cm into inches
so, if 1 inch =2.54 cm,
4cm = ...? inch
12 years ago
OpenStudy (anonymous):
use a calculator
12 years ago
OpenStudy (anonymous):
im not good at math i thought you guys would give me an answer because i have a max time limit and i dont have one
12 years ago
hartnn (hartnn):
sorry, we do not give answers
this is not an answering site, this is a learning site.
12 years ago
OpenStudy (anonymous):
just google or search for an online calculator
12 years ago
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OpenStudy (anonymous):
well everyone else is giving answers
i just need one and thanks ill do that
12 years ago
OpenStudy (anonymous):
lol sorry i dont really care i just need help finding the answer
12 years ago
OpenStudy (anonymous):
once you find an online calculator
1. convert 1 inch =2.54 cm,
4cm = ...? inch
2.find volume of tray = length *base*height = 10*14*4 = ...
12 years ago
OpenStudy (anonymous):
how would i convert
12 years ago
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OpenStudy (anonymous):
4 * 2.54
12 years ago
OpenStudy (anonymous):
10.16?
12 years ago
hartnn (hartnn):
4/2.54 actually
12 years ago
OpenStudy (anonymous):
so i divide?
12 years ago
OpenStudy (anonymous):
yeah sorry about that
12 years ago
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OpenStudy (anonymous):
1.57
12 years ago
OpenStudy (anonymous):
now find the volume of the tray
12 years ago
OpenStudy (anonymous):
how do i do that?
12 years ago
OpenStudy (anonymous):
10*14*4
12 years ago
OpenStudy (anonymous):
560
12 years ago
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hartnn (hartnn):
actually,
10*14*1.57
12 years ago
OpenStudy (anonymous):
219.8?
12 years ago
hartnn (hartnn):
yes. 219.8 cm^3
but 1 gallon is 231, cm^3
so, how much paint will overfill ?
12 years ago
OpenStudy (anonymous):
441?
12 years ago
hartnn (hartnn):
what is 231-219.8 = ..?
12 years ago
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OpenStudy (anonymous):
11.2
12 years ago
hartnn (hartnn):
and the nearest choice to 11.2in^3 is
The paint will overfill the tray by 10.53 in3.
12 years ago
OpenStudy (anonymous):
so it will overfill correct
12 years ago
hartnn (hartnn):
yup , because 1 gallon is 231, but the vesel is just of 219...so its around 11inch^3 short
12 years ago
OpenStudy (anonymous):
i have another question also
12 years ago
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OpenStudy (anonymous):
Kenya exchanges $200 for euros (€). Suppose the conversion rate is €1 = $1.321. How many euros should Kenya receive?
€264.20
€151.40
€132.10
€66.05
12 years ago
hartnn (hartnn):
yes, ask :)
12 years ago
OpenStudy (anonymous):
i dont even know what to do
12 years ago
hartnn (hartnn):
€1 = $1.321
so,
€2 = $ ??
can u tell ?
12 years ago
OpenStudy (anonymous):
no sir
12 years ago
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hartnn (hartnn):
think ?
lets say 1 chocolate is worth 4$
what will 2 chocolates worth ?
12 years ago
OpenStudy (anonymous):
8
12 years ago
hartnn (hartnn):
correct!
12 years ago
hartnn (hartnn):
so, here we have €1 is worth $1.321
so, €2 will worth =...?
12 years ago
OpenStudy (anonymous):
2.642?
12 years ago
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hartnn (hartnn):
correct!
so,
€2 is worth $2.642
how much is €200 worth ?
12 years ago
OpenStudy (anonymous):
400
12 years ago
hartnn (hartnn):
no!
see, €1 = $1.321
we need $200 worth, lets say its 'x'
so,
x*1.321 = 200
can you find x from here ?
12 years ago
hartnn (hartnn):
what is 200/1.321 ?
12 years ago
OpenStudy (anonymous):
no :(
12 years ago
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OpenStudy (anonymous):
151
12 years ago
OpenStudy (anonymous):
?
12 years ago
hartnn (hartnn):
yes! so its 151.40 :)
12 years ago
OpenStudy (anonymous):
thanks
12 years ago
OpenStudy (anonymous):
i need more help
12 years ago
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OpenStudy (anonymous):
sorry for the bother
12 years ago
hartnn (hartnn):
welcome ^_^
you can close this post and ask in another post
12 years ago
hartnn (hartnn):
so that if i can't help you there will be surely someone else to help..
12 years ago