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# Difficult math money question?

Say it cost 8 cents to make 1 dollar. How many penny's do you need to make 100 dollars if you could trade every 8 cents for 1 dollar?

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- 8 years agoFavorite Answer
8 cents = 1 dollar

= 100 dollars ---> to get from 1 , to 100, you have to multiply by 100.

What you do to one side, you must do to the other.

8 * 100 = 800

800 cents = 100 dollars

- 8 years ago
800 pennies

a dollar contains 100 pennies

100/8 = 12.5

so you get 12.5 dollars for 100 pennies

Source(s): me

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