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Sagot :
Answer:
Michael has 84 nickels and 68 dimes in a jar.
Step-by-step explanation:
Let n = number of nickels
Let d = number of dimes
n + d = 152
5n + 10d = 1100
(5n + 10d = 1100)/5
n + 2d = 220
- n + d = 152
d = 68
n + 68 = 152
- 68 - 68
n = 84
Michael has 84 nickels and 68 dimes in a jar.
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