Asked by seb

A recipe for cookies calls for 4 eggs. The recipe makes 6 dozen cookies. how many eggs would be need to make 21 dozen cookies?
Answered by Ms. Sue
4 / 6 : x / 21

Cross multiply.

We'll be glad to check your answer.
Answered by seb
63 eggs?
Answered by Writeacher
No, from the proportion, you should see that x will be less than 21, not more.

4/6 : x/21 cross-multiplied ~~> 4*21=6x

Now solve for x. Multiply 4*21 and then divide both sides by 6. What's the answer?
Answered by seb
14 eggs!
Answered by Ms. Sue
Right! :-)
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