Answer:
D
Step-by-step explanation:
Answer:
no clue
Step-by-step explanation:
i needed help w this too
N+d=21
5n+10d=170
so
multiply first equation by -5 and add to other one
-5n-5d=-105
<u>5n+10d=170 +</u>
0n+5d=65
5d=65
divide both sides by 5
d=13
sub back
n+d=21
n+13=21
minus 13 both sides
n=8
8nickles
13 dimes
It is 0.037 so that mean you are right but no right