pchisholm100
05.10.2019 •
Mathematics
Acollection of dimes and nickels is worth $6.90. there are 96 coins in all.
how many of each coin are there?
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Ответ:
Dimes=42
Considering that: 1 Nickel = $0.05 and 1 Dime =$0.1 you can write two equations:
0.05N+0.1D=6.9
N+D=96
Where N is the number of Nickels and D the number of Dimes.
Solving the system formed by the two equations (for substitution, for example) you get your result.
Ответ:
I think It may be B correct me if I'm wrong
Step-by-step explanation: