Question

determine if the following are in proportion
A. 15, 45, 40, 120.
B. 24, 28, 36, 48​

Answer 1

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A. It's Proportional

B. It's not Proportional

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Answer 2

Answer:

A. 15:45::40:120

15×120=45×40

1800=1800

it is proportional

B. 24:28::36:38

24×38=28×36

912=1008

it is not proportional