Question

hi guys please help me

chapter = Proportion

Que... Let us write by calculating which number is to be added to each of 12,22,42 and 72 to make the sum proportional??
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Answer 1

Step-by-step explanation:

3

Hence we can say if we add 3 to the numbers 12, 22, 42 and 72 the resulting numbers will be in proportion. So, the correct answer is “3”. Note: The numbers are proportional when the ratio of the LHS of the proportions is equal to the RHS of the proportion.

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Answer 2

Answer:

16/21.

Step-by-step explanation:

12:72=22:42, 12x+72x=22x+42x, 84x=64x, x = 84/64, x= 16/21. Follow me and Mark as brainliest.