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boyakko [2]
2 years ago
11

Sherri saves nickels and dimes in a coin purse for her daughter. The total value of the coins in the purse is $0.95. The number

of nickels is 2 less than 5 times the number of dimes. How many nickels and how many dimes are in the coin purse?
Mathematics
2 answers:
forsale [732]2 years ago
7 0
I’m guessing that this is for systems of equations?
n - nickels
d - dimes

These are the equations you start off with.
n = 5d-2
0.95 = 0.10d+0.05n

Substitute the top equation for n into the variable n in the bottom equation.
0.95 = 0.10d+0.05(5d-2)

Solve for d.
0.95 = 0.10d+0.25d-0.10
1.05 = 0.35d
3 = d

Substitute d into the top equation and solve for n.
n = 5(3)-2
n = 15-3
n = 12

There are 3 dimes and 12 nickels in the coin purse! Hope this helped <3

ivanzaharov [21]2 years ago
7 0

Answer:

Sherri has saved 13 nickels, 3 dimes for her daughter. This is a grand total of $0.95.

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