Question

Mark has $4.95 in quarters and dimes. He has 3 times as many dimes as quarters. Write system of equations to determine q,the number of quarters,and d, the number of dimes that mark has.

Answer 1

9 quarters and 27 dimes

Step-by-step explanation

0.25q+0.10d=4.95

d=3q

simplify

0.25q+0.10(3q)=4.95

combine like terms

0.55q=4.95

solve for q

0.55q=4.95

___. ____

0.55. 9

solve for d

d=3q = 3•9 =27