Use cross products to see if each pair of ratios forms a proportion. Replace each box with = or ≠.

Question

1. 7/5 15/10


• =
• ≠

Answer 1

7/5 vs 15/10
70 vs 75
70 < 75 , so
7/5 < 15/10 or, as you asked for : 7/5 ≠ 15/10

Answer 2

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