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Mathematics 7 Online
OpenStudy (anonymous):

The profits in December were 5 times the profits in June. If December's profits were $3455, how much were the profits in June? $17,275 $691 $1,727.50 $863.75

OpenStudy (anonymous):

my 691 think

OpenStudy (mynameisnemo):

Well, what's $3,455 divided by 5?

OpenStudy (mynameisnemo):

Yes, you are correct. $691.

OpenStudy (anonymous):

There are 3 friends sharing the cost of a trip to Atlanta, Georgia. If they divide the cost evenly between them, how much did the trip cost if each person paid $234? $234 $468 $702 $936

OpenStudy (anonymous):

702?

OpenStudy (mynameisnemo):

What's $234 times 3?

OpenStudy (mynameisnemo):

You are correct.

OpenStudy (anonymous):

Mark bought a plane ticket for $234, which was 80% of the original price. How much was the original price? $292.50 $314 $154 $187.20

OpenStudy (anonymous):

$187.20

OpenStudy (mynameisnemo):

Part over Whole=Percent over 100

OpenStudy (mynameisnemo):

One second, let me do the work

OpenStudy (mynameisnemo):

That's incorrect.

OpenStudy (anonymous):

oh

OpenStudy (mynameisnemo):

Sorry one second, I'm getting you the formula

OpenStudy (anonymous):

ok

OpenStudy (mynameisnemo):

OpenStudy (mynameisnemo):

okay, so you put 234 over the whole, then write another fraction next it. In this new fraction write 80 over 100. Cross multiply these fractions, so 234 times 100, then 80 times w. Your answers are 23,400 and 80w. You need to get w alone to get the answer, to do this, divide 80 from both sides. 23,400/80= 292.50. Therefore, your answer is $292.50.

OpenStudy (anonymous):

Sally prepaid 1/3 the cost of a ticket to the concert. The amount she prepaid was $36. How much was the total ticket to the concert? $36 $72 $108 $144

OpenStudy (mynameisnemo):

what is 36/3

OpenStudy (anonymous):

12

OpenStudy (mynameisnemo):

Wait wait! I said that wrong! My mistake

OpenStudy (mynameisnemo):

What is 36 times 3

OpenStudy (anonymous):

108

OpenStudy (mynameisnemo):

That's your answer

OpenStudy (anonymous):

im start a new post ok

OpenStudy (mynameisnemo):

Okay, tag me in it if you want my help :)

OpenStudy (anonymous):

I'm ready

OpenStudy (mynameisnemo):

Okay, tag me in your new post if you want my help:)

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