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Luis is saving money to purchase a new video game. He has a total of 30 coins consisting of nickels and dimes. The value of the coins is $2.20. Let n represent the number of nickels and let d represent the number of dimes. Which system of equations can be used to determine the number of nickels and the number of dimes Luis has?

User Glenise
by
8.7k points

2 Answers

4 votes

It should be

n + d = 30

0.05n + 0.1d = 2.20

A dime is worth 0.10 cents and a nickel is worth 0.05 cents. The total number of nickels and dimes is 30.

User David Jorquera
by
8.4k points
5 votes

14 dimes & 16 nickels.


do they give you options for the system of equations to choose from?

User Pradeepa
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8.1k points
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