Question

Your piggy bank has a total of 43 coins in it; some are dimes and some are nickels. If you have a total of $3.60, how many dimes do you have?

Answer 1

so you know you have 43 coins. An equation for that would be n+d=43

Answer 2

you take this one @Mathhelp346 ^_^

Answer 3

nvm the second equation should be 10d+5n=160

Answer 4

26 x 17 =3.60 im close... 3.45

Answer 5

then you would solve for either d or n in the first equation. i'm going to do n. you would subtract d from both sides, leaving you with n=43-d

Answer 6

you would sub n into the second equation and solve

Answer 7

do you know what to do from here?

Answer 8

29 dimes and 14 nickles.

Answer 9

i don't think that's right...

Answer 10

right?

Answer 11

that would add up to 360. you need 160

Answer 12

no the question is asking $3.60

Answer 13

oh my bad. your answer is right.