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Mathematics 8 Online
OpenStudy (anonymous):

if the price of a gallon of milk is $2.56, how much does a cup of milk cost?

OpenStudy (anonymous):

How much cups are in a gallon?

OpenStudy (anonymous):

Does 16 sound familiar?

OpenStudy (anonymous):

so divide the total price by the amount of cups. This would give you the price per cup.

OpenStudy (anonymous):

could you please show me how this would look like?

OpenStudy (anonymous):

1 gallon =$2.56.

OpenStudy (anonymous):

1g=16c

OpenStudy (anonymous):

so 16/2.56

OpenStudy (anonymous):

sorry, 2.56/16

OpenStudy (anonymous):

Confused?

OpenStudy (anonymous):

Each cup costs 16 cents.

OpenStudy (anonymous):

thaank you, I have three more questions if you have time?

OpenStudy (anonymous):

sure.

OpenStudy (anonymous):

the family car can go 20 miles with one gallon of gas. if gas cost $1.50 for each gallon, how much will gas cost for a 1000 mile trip?

OpenStudy (anonymous):

It would cost them $75.

OpenStudy (anonymous):

you please show the work

OpenStudy (anonymous):

could you pleaseshow the work?

OpenStudy (anonymous):

1000/20=50

OpenStudy (anonymous):

That means you need 50 gallons

OpenStudy (anonymous):

Multiply 50 by 1.5.

OpenStudy (anonymous):

You get 75 dollars.

OpenStudy (anonymous):

thank you, here is the next one

OpenStudy (anonymous):

Do i get a best response?

OpenStudy (anonymous):

the cost of electricity to run a heater in Luke's room is 15cents per hour. How much will it cost if Luke's heater is on for the month of December?

OpenStudy (anonymous):

How many days are there in December?

OpenStudy (anonymous):

i think there are 31 days

OpenStudy (anonymous):

Right, what about hours in a day?

OpenStudy (anonymous):

it does not say how many hours he is running it

OpenStudy (anonymous):

How many hours are there in a day?

OpenStudy (anonymous):

24 hours

OpenStudy (anonymous):

hello are you still with me?

OpenStudy (anonymous):

yes.

OpenStudy (anonymous):

So multply 31 by 24.

OpenStudy (anonymous):

which is 744 then divide by 15 for an answer of $49.60 right?

OpenStudy (anonymous):

no.

OpenStudy (anonymous):

then multiply by .15

OpenStudy (anonymous):

744 x .15=?

OpenStudy (anonymous):

111.60?

OpenStudy (anonymous):

Yes.

OpenStudy (anonymous):

Last question my friend, if a meter of golden chain cost $1000, how much does a centimeter of golden chain cost?

OpenStudy (anonymous):

how many centimeters are there in a meter?

OpenStudy (anonymous):

How much?

OpenStudy (anonymous):

10 decimeters in a meter, 10 centimeters in a decimeter

OpenStudy (anonymous):

What?

OpenStudy (anonymous):

how many centimeters are there in a meter?

OpenStudy (anonymous):

sorry . one centimer is equal to .01 meters

OpenStudy (anonymous):

Okay, so how many centimeter are there in 1 meter?

OpenStudy (anonymous):

1

OpenStudy (anonymous):

So 1 centimeter in 1 meter?

OpenStudy (anonymous):

10 centimeter in 1 meter

OpenStudy (anonymous):

Please check again. Use google if you need to .

OpenStudy (anonymous):

okay, please standby

OpenStudy (anonymous):

Its 100 centimeters.

OpenStudy (anonymous):

That means a centimeter would cost $10

OpenStudy (anonymous):

there are 100 centimeters in a meter, according to google

OpenStudy (anonymous):

Look at the above posts.

OpenStudy (anonymous):

seen them, thank you so much for all of your help. until next time, take care

OpenStudy (anonymous):

yep.

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