Mathematics

26 January, 03:45

Lizzy has 30 coins that total $4.80. All of her coins

are dimes, D, and quarters, Q. Which system of

equations models this situation?

1) D+Q=4.80

.10D +.25Q = 30

2) D+Q=30

.10D +.25Q = 4.80

3) D+Q=30

.25D +.10Q = 4.80

4) D+Q = 4.80

.25D +. 10Q = 30

+3

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