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
5q + 2d = 270
2q + 5d = 270
1 answer
5q + 2d = 1350
1 answer