Mathematics, 29.09.2019 12:30, amorenextdoor

Which ratios form a proportion? use cross products to test each pair.
a. 15/40, 35/90
b. 18/22, 45/55
c. 15/55, 33/121
d. 17/31, 32/45

Answers: 1

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Which ratios form a proportion? use cross products to test each pair.
a. 15/40, 35/90
b...