Question

which of the following are in proportion c) 90, 270, 17, 51 d) 75, 21, 18, 6
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Answer 1

Answer:

option C is the correct proportion

Answer 2

Step-by-step explanation:

proportion=>product of mean=product of extreme

270*17=4590

90*51=4590

so 1 part is in proportion

21*18=378

75*6=450

it is not in proportion

hope it helps

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