Use cross products to see if each pair of ratios forms a proportion. Replace each box with = or ≠. 7/5. 15/10 So what’s the answer = or ≠
Since we have 7/5 and 15/10, we can cross multiply and see if the results are equal.
Cross multiplying:
7 * 10 = 70
5 * 15 = 75
Since 70 ≠ 75, the answer is ≠.