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Phantasy [73]
3 years ago
5

A coin collection is made up of 34 coins comprised of nickels and dimes. The total value of the collection is $1.90. How many di

mes and nickels made up these collections?
Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
7 0

Answer:

x = nickels

y= dimes

x + y = 34

.05x + .10y= $1.90

-.10x - .10y = -3.40

-.05x + .10y = 1.90

-.05x = -1.50

x = 30 nickels

30 + y = 34

y = 4 dimes

(3,4)

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