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debi has $1.70 in a collection of dimes and nickels . the number of nickels is ten more than the number of dimes . find the number if each type of coin

1 Answer

4 votes
Lol I’m learning the same exact thing in math . Your equation is going to be .10d+.05(D+10)=1.70

.10d + .05D + 0.5 = 1.70

.15D +0.5 = 1.70
0.5 -0.5
.15D=1.20
D= 8
n=18

Hopefully this is right