What is the ratio of pennies to dimes in a daller

we know that 100 pennies = 1 dollar and, 10 dimes = 1 dollar so the ratio would be;

100:10 or  100/10

and in simplest form: 100:10 = 10:1 and 100/10 = 10

answer: 42

use a calculator to find that 845/73 = 11.575

the whole part of the answer is 11. multiply this by 73 to get 11*73 = 803.

subtract that result from 845 to get 845 - 803 = 42