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astra-53 [7]
3 years ago
14

Which equation can be used to solve the following word problem?

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
4 0
According to the statement, equation would be: 
<span>0.10(n-6)+0.05n=2.10
0.10n - 0.60 + 0.05n = 2.10
0.15n = 2.70
n = 2.70/0.15
n = 18

So, in total he has 18 nickels</span>
ra1l [238]3 years ago
3 0
A is definitely the answer.
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