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Lynna [10]
3 years ago
14

A person has 20 coins, all nickels and dimes, worth one dollar and 40 cents. How many nickels are there?

Mathematics
2 answers:
LekaFEV [45]3 years ago
8 0

Answer:

The answer is

n + d= 20 and 5n + 10d= 140

Step-by-step explanation:

algol [13]3 years ago
3 0
Is there one that looks like
\[n+d=20\\
5n+10d=140\]
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Divide 
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Hope this helped
</span>
</span>
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