2010 math destroyer error??

[recyrb]

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test 7 question 11---


it asks for the ratio of dollars to quilos so the answer be D

5/21??

1 dollar equals 7 lunches and 5 lunches equilas 3 happy endings

so how many dollars to happy endings?

thanks and enjoy

 

[casper22]

I got 21/5...this is how I did it..

5 lunches = 3 Happy endings ...(thats too expensive dude..)

so 1 lunch = 3/5 Happy endings..

Now 1 $ = 7 lunches = 7 * 3/5 = 21/5

 

[recyrb]

so why i am i confused

1 dollar 5 lunches
-------- x ----------- = 5 dollars to 21 happy endings??
7 lunches 3 happy endings

 

[HannibalLecter]

You guys are both right:

5 Dollars gives you 21 Happy Endings

and

1 Dollar would give you 21/5 Happy Endings

It depends on the exact question and what it is asking for