Question

Use cross products to see if each pair of ratios forms a proportion. Replace each box with = or ≠ 1). 7/5 = 15/20 or 7/5 ≠ 15/20 2). 6/8 = 15/20 or 6/8 ≠ = 15/20

Answer 1

cross multiply and check whether LHS is equal to RHS or not