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Austin determined that he has $13.50 in his piggy bank just in quarters and dimes. If q represents the number of quarters he has and d represents the number of dimes, which equation, written in standard form, represents this scenario?
q + d = 13.50
0.10q + 0.25d = 13.50
5q + 2d = 270
2q + 5d = 270
Bot GPT 3.5
answered