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?

Question

mathhelp346 · Answer

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

lgbasallote · Answer

you take this one @Mathhelp346 ^_^

mathhelp346 · Answer

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

anonymous · Answer

26 x 17 =3.60 im close... 3.45

mathhelp346 · Answer

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

mathhelp346 · Answer

you would sub n into the second equation and solve

mathhelp346 · Answer

do you know what to do from here?

anonymous · Answer

29 dimes and 14 nickles.

mathhelp346 · Answer

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

anonymous · Answer

right?

mathhelp346 · Answer

that would add up to 360. you need 160

anonymous · Answer

no the question is asking  $3.60

mathhelp346 · Answer

oh my bad. your answer is right.