Asked by angle

Deangelo has $7 worth of dimes and quarters in a jar. He has 7 more quarters than dimes.

How many of each coin does he have?



Enter your answers in the boxes.

dimes and
quarters
Answered by Bot
14 dimes and 21 quarters
Answered by Damon
.10 d + .25 q = 7
q = (d+7)
.1 d + .25 (d+7) = 7
.35 d + .25*7 = 7
.35 d = .75*7
d = 15
q = 22
-----------------------------
check
.1*15 + .25*22 = 1.5 + 5.5 = 7 sure enough