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Irina has 10 coins, all nickels and dimes, worth a total of $0.70. This is shown by the system of linear equations, x + y = 10 and 0.05x + 0.1y = 0.7 How many nickels does she have? 4 6 7 10
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Irina has 10 coins, all nickels and dimes, worth a total of $0.70. This is shown by the system of linear equations, x + y = 10 and 0.05x + 0.1y = 0.7 How many nickels does she have? 4 6 7 10

User Yellowblood
by
7.5k points

2 Answers

4 votes

Answer:

c.6

Explanation:

on edge 2021

User Ader
by
8.2k points
6 votes
6 nickels- 6+4=10, .05(6)+.1(4)=.7
.3+.4=.7
User Mnuages
by
6.9k points
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