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VMariaS [17]
2 years ago
12

June has $1.95 in dimes and nickels. She has a total of 28 coins. How many of each type of coin does she have?

Mathematics
1 answer:
BartSMP [9]2 years ago
3 0

Answer:

She has 11 dimes and 17 nickels

Step-by-step explanation:

dimes --- d

nickels -- n

Equation with number of coins: 
n+d = 28
n = 28-d

10d + 5n = 195


Divide by 5

2d + n = 39

sub in the other equation:

2d + 28-d = 39
d = 11
n = 28-11 = 17

She has 11 dimes and 17 nickels

check:

total = 11 + 17 = 28 , check!

value: 10(11) = 5(17) = 195 , check!

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