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Aleks04 [339]
3 years ago
5

Carl collects coins compulsively, but he only likes quarters ($0.25) and dimes ($0.10). Carl currently has 125 coins for a total

of $26.00. How many of each coin does Carl have?
Mathematics
1 answer:
GalinKa [24]3 years ago
4 0

Answer:

90 Quarters

35 dimes

Step-by-step explanation:

Coins collected by Carl:

Quarters = $0.25

Dimes = $0.10

Total number of coins with Carl = 125

Total worth of coins = $26.00

Let number of quarters = q ; and dimes = d

0.25q + 0.10d = 26 - - - (1)

q + d = 125 - - - (2)

q = 125 - d

Substitute into (2)

0.25(125 - d) + 0.10d = 26

31.25 - 0.25d + 0.10d = 26

31.25 - 0.15d = 26

31.25 - 26 = 0.15d

5.25 = 0.15d

d = 5.25 / 0.15

d = 35

q = 125 - d

q = 125 - 35

q =. 90

90 Quarters

35 dimes

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