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OpenStudy (anonymous):
this is kinda the same as the last one but a lil more complex
what is 3 in terms of 1/4?
OpenStudy (anonymous):
12/4, right?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
so then 3+1/4=?
OpenStudy (anonymous):
i dont know im sorry
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OpenStudy (anonymous):
ok how about this
OpenStudy (anonymous):
3 is 12/4. so what is \[\frac{ 12 }{ 4 }+\frac{ 1 }{ 4 }\]
OpenStudy (anonymous):
12/4
OpenStudy (anonymous):
13/4
OpenStudy (anonymous):
so i meant 13
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OpenStudy (anonymous):
imagine if you had 12 quarters, right?
OpenStudy (anonymous):
12 quarters is 12/4 dollars, right?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
and then you add one more quarter, now you have 13/4 dollars
OpenStudy (anonymous):
so now that we know that 3 1/4=13/4, we're about half done with the question
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OpenStudy (anonymous):
if 3 in terms of 1/4 is 12/4, can you figure out what 4 is in terms of 1/3?
OpenStudy (anonymous):
its 12/3.
OpenStudy (anonymous):
do you see how i did that, or do you want me to explain it?
OpenStudy (anonymous):
you had to see what they had in common right?
OpenStudy (anonymous):
i havent gotten there yet
ive just been turning mixed fractions into improper
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OpenStudy (anonymous):
do you know how 3=12/4?
OpenStudy (anonymous):
because since we have 3+1/4 in the first half of the question, we have to change that into just a fraction with no whole number, or else we wont be able to add the fractions
OpenStudy (anonymous):
so since its 3+1/4, i went with 4 for the denominator, so you have basically (3/1)=(x/4)
OpenStudy (anonymous):
do you know how to cross multiply?
OpenStudy (anonymous):
i think
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OpenStudy (anonymous):
ok so basically \[\frac{ 3 }{ 1}=\frac{ x }{ 4 }\]
OpenStudy (anonymous):
so multiply 1*x=3*4
OpenStudy (anonymous):
so x=12
OpenStudy (anonymous):
and plug that back in to x/4, so it equals 12/4
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
ok so 3 1/4=13/4
OpenStudy (anonymous):
can you figure out what 4 1/3 is in terms of 1/3?
OpenStudy (anonymous):
using cross multiplication
OpenStudy (anonymous):
(4/1)=(x/3) solve for x
OpenStudy (anonymous):
4/3?
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OpenStudy (anonymous):
well cross multiply it so you have 1*x=4*3
OpenStudy (anonymous):
then x=?
OpenStudy (anonymous):
12
OpenStudy (anonymous):
now plug 12 back into the original equation x/3
OpenStudy (anonymous):
12/3
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OpenStudy (anonymous):
do you see how i did that?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
imagine if you have 4 apple pies
OpenStudy (anonymous):
and you cut each pie into 3 equal pieces
OpenStudy (anonymous):
how many pieces would you have?
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OpenStudy (anonymous):
9
OpenStudy (anonymous):
4 pies. 3 pieces.
OpenStudy (anonymous):
12
OpenStudy (anonymous):
right. so 4 pieces in 3 pieces each is 12/3 pies
OpenStudy (anonymous):
because you have 12 pieces, and 3 pieces per pie
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OpenStudy (anonymous):
lets try another example, lets say you have 5 dollars, and break it into quarters. how many quarters would you have?
OpenStudy (anonymous):
hey im sorry if this is annoying to you, if you want me to just answer the question you can tell me so, im just trying to help you understand it better.
OpenStudy (anonymous):
ryan played hockey for 3 3/4 hours on saturday and for 1 3/5 hours on sunday. how many hours did he pay hockey during these 2 days?
OpenStudy (anonymous):
my bed time is coming close an i have a 21 question test i have to get done. i think u for exampling it to me
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OpenStudy (anonymous):
ohh they probably made them mixed fractions again
OpenStudy (anonymous):
on the 1st question my choices are 7 5/6, 7 1/2, 7 7/12, 7 4/7
OpenStudy (anonymous):
right
so the first one is 7 1/2 and the second one is 5 7/20
OpenStudy (anonymous):
wait wait
the first is 7 7/12
OpenStudy (anonymous):
my bad lol
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OpenStudy (anonymous):
because 7=84/12, then 91/12= 7+7/12
OpenStudy (anonymous):
well, (7)+(7/12) to be more clear but im sure you get me
OpenStudy (anonymous):
the second one is 5 7/20 because 5=100/20 so 107/20=(5)+(7/20)
OpenStudy (anonymous):
good? :)
OpenStudy (anonymous):
thanks
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OpenStudy (anonymous):
np
OpenStudy (anonymous):
mrs jennings spent 14 1/6 hours at the gym last month. mr jennings spent 12 5/6 hours at the gym last month. how much more time did mrs jennings spend at the gym than mr jennings