Problema Solution

Maria has 12 coins that total 28 cents. What coins does she have.

Answer provided by our tutors

dime = 5 cents

penny = 1 cents 

 

then, 5(4 dimes) + 1(8 pennies) = 28 cents 

 

which is 4+8 = 12 

 

so 4 dimes, 8 pennies