Question

Maria's penny collection contains three Indian head pennies for every 30 Lincoln pennies. If Maria has 630 Lincoln head pennies, how many Indian head pennies does she have?

Answer 1

63 Indian head pennies

Explanation:

3:30 i:L

simplifies to

1:10 so 1 Indian head penny for every 10 Lincoln.

?:630

630 / 10 = 63