Question

Find the value of x in the given proportion:
i) 12:x21:28
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Answer 1

Answer:

16

Step-by-step explanation:

12 multiplied by 28 is equal to 336

to find x we need to divide 336 by 21

so the answer is 16

21 multiplied by 16 is equal to 336

hence , 12 :16 is proportionic to 21:28

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