Damon answered this question for you here
https://www.jiskha.com/display.cgi?id=1521563768
Why are you reposting it?
I answered a similar question here
Why don't you follow either mine or Damon's method?
https://www.jiskha.com/display.cgi?id=1521562796
When Julia dumped out the big jar of dimes and nickles she found 287 coins. If there was $20.50 in the jar, how many of each kind of coin was there??
2 answers
I re-posted because @Damon's answer didn't even make sense and the similar question you answered is similar, so I will try that I guess.
1 answer