Raymond B. answered 02/17/21
Tutor
5
(2)
Math, microeconomics or criminal justice
D+ N = 80
10D + 5N = 660
5D +5N = 400
5D = 260
'D = 260/5 = 52 dimes
N = 80-52 = 28 nickels
Rowan G.
asked 02/17/2180 coins equal $6.60. If the coins are only dimes and nickels how many of each are there
Raymond B. answered 02/17/21
Math, microeconomics or criminal justice
D+ N = 80
10D + 5N = 660
5D +5N = 400
5D = 260
'D = 260/5 = 52 dimes
N = 80-52 = 28 nickels
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