Question

You have a total of 21 coins, all nickles and dimes. The total value is $1.70. Write and solve a system of equations to find the number of dimes d and the number of nickles n that you have. Please help me step by step.

Answer 1

d(10)+n(5)=1.50

Answer 2

solve for d and n

Answer 3

you mean 1.70

Answer 4

Oh, yes. Sorry.

Answer 5

its ok sooo... it would look like this

Answer 6

d + n=1.70
d(10) + n(5)=170

Answer 7

I think it would be
d+n=21
d(10)+n(5)=1.70

Answer 8

yeah okay i forgot about the 21

Answer 9

Hold on im going to work it out... then ask u if its right.

Answer 10

okie dokie

Answer 11

ok i did something wrong.... i got 20.66 for d

Answer 12

You have a small mistake that changes the answer completely.