Raymond B. answered 04/13/21
Tutor
5
(2)
Math, microeconomics or criminal justice
D = N+4
10D + 5N = 130
10(N+4) + 5N = 130
10N + 40 + 5N = 130
15N = 90
N = 90/15 = 6 nickels
D = 6+4 = 10 dimes
10(10) + 5(6) = 130