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uysha [10]
2 years ago
15

Kevin and Randy Muise have a jar containing 4444 ​coins, all of which are either quarters or nickels. The total value of the coi

ns in the jar is ​$nbsp 7.20 7.20. How many of each type of coin do they​ have?
Business
1 answer:
aev [14]2 years ago
6 0

Answer:

they have 25 quarters and 19 nickels

Explanation:

let N = number of nickels

let Q = number of quarters

5N + 25Q = 720

N + Q = 44

N = 44 - Q (now we must replace)

5(44 - Q) + 25Q = 720

220  - 5Q + 25Q = 720

20Q = 720 - 220 = 500

Q = 500 / 20 = 25

N = 44 - 25 = 19

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