Mathematics
Dman97
9

jerry has 60 coins consisting of quarters and dimes. The coins combined value is $9.45. Find out how are quarters and how many are dimes.

+0
(1) Answers
Varela285

Eq. 1 .10x + .25y = 9.45 Eq. 2 x + y = 60 rewrite as x = 60 - y and substitute into equation 1. .10(60 - y) + .25y = 9.45 6 - .1y + .25y = 9.45 6 + .15y = 9.45 .15y = 3.45 y = 23 60 - 23 = 37 23 quarters 37 dimes 23* .25 = 5.75 37 * .1 = 3.70 5.75 + 3.70 =9.45

Add answer