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mrs_skeptik [129]
3 years ago
9

pasha has box with 40 coins consisting of dimes, quarters and nickels that are worth $5.25. there are 5 more nickels than quarte

rs.how many of each coin does she have?
Mathematics
1 answer:
Paul [167]3 years ago
3 0

Answer:

15 Quarters, 20 Nickels, and 5 Dimes

Step-by-step explanation:

Dimes = y

Quarters = x

Nickels = x+5

y:

2x+5+y=40

y=35-2x

Solve:

5(x+5)+25(x)+10(y)=525

Substitute y:

5(x+5)+25(x)+10(35-2x)=525

30x+25+350-20x=525

10x=150

x=15


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