Math, asked by darakshanhaider21, 6 hours ago

48. If a number is added to both the numerator and a denominator of 4/7, the result is 8/9, what is the number? A.2 B.9 C. 18 D. 20

Answers

Answered by parivarnalla

1

Step-by-step explanation:

4+x / 7+x = 8/9

(4+x)9 = 8(7+x)

36 +9x = 56 +8x

9x - 8x = 56-36

x = 20

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