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Bob has a bag full of dimes and quarters. He has 20 coins worth $3.80. Which system of equations could be used to determine the number of dimes, d, and the number of quarters, q, in Bob's bag?
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20 votes
Bob has a bag full of dimes and quarters.

He has 20 coins worth $3.80. Which system of
equations could be used to determine the
number of dimes, d, and the number of
quarters, q, in Bob's bag?

User Lachezar Raychev
by
7.2k points

1 Answer

11 votes

Answer:

x+y=20

.10x+.25y=3.80

Explanation:

User Grigy
by
7.8k points
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