jean143965
25.12.2019 •
Mathematics
How many nickels and dimes are in $1.20 if there are six times more nickels than dimes
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Ответ:
n=6d and 10d+5n=120 (using cents :P) now using n from the first equation in the second equation gives you:
10d+5(6d)=120
10d+30d=120
40d=120
d=3, and since n=6d
n=18
So there are 3 dimes and 18 nickels.
Ответ:
I think so
Step-by-step explanation: I hope this helps you!! If not I'm so sorry