Question

what number must be subtracted from each of number 12, 21, 26, 49 so that the resulting number from a proportion ?​

Answer 1

Step-by-step explanation:

ANSWER

27, 38, 7, 8

Let x be subtracted (27−x), (38−x), (7−x), (8−x)

So

(27−x)(7−x)=(38−x)(8−x)

189−27x−7x+x

2

=304−38x−8x+x

2

189−34x=304−46x

46x−34x=304−189

12x=115

x=

12

115

x=9.58

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