Toby has 15 coins totaling $2.85. He has only quarters and dimes. How many of each type coin does he have?

Question

asked Nov 14, 2018 199k views

1 Answer

Shenglin Chen · Answer 1 · 2018-11-18T04:22:40+0000

A) D + Q = 15
B) .10 D + .25Q = 2.85
Multiplying equation A by -.10
A) -.10 D -.10 Q = -1.5 Then adding this to B)
B) .10 D + .25Q = 2.85
.15Q = 1.35
9 Quarters
and if there are 15 coins there are 6 dimes

Toby has 15 coins totaling $2.85. He has only quarters and dimes. How many of each type coin does he have?

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Please log in or register to add a comment.

Related questions

Categories

Other Questions