Answer :
Let, the number of dimes = x
Then, number of nickels = x + 12
It is given that, x+ x+12 = 20
2x = 20 - 12
x = 8/2
x = 4
In short, Mariko have 4 dimes
Hope this helps!
Then, number of nickels = x + 12
It is given that, x+ x+12 = 20
2x = 20 - 12
x = 8/2
x = 4
In short, Mariko have 4 dimes
Hope this helps!