Question

9. What number must be added to each of the numbers 25, 28, 5, 6 to get the numbers which are
in proportion?
10. What number must be subtracted from each of the numbers 27, 38, 7, 8 to get the numbers
which are in proportion?​

Answer 1

Answer:

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

Answer 2

Answer:

answer the 5 is called a ratio