Give two equivalent ratios of 3: 5.

Ratio 3 : 5 = 3/5 = (3×3)/(5×3) = 9/15
Similarly 3 : 5 = 3/5 = (3×2)/(5×2) = 6/10

Thus, 9:15 and 6:10 are the two equivalent ratios of 3:5.