Question

f the denominator of a fraction is increased by 4, then the fraction becomes 5/8. If the numerator is 11 less than the denominator, find the numerator. a) 25 b) 20 c) 30 d) 35

Answer 1

d-11 5

------------- = ----

d+4 8

cross multiply

5d+20 = 8d-88

20+88 = 8d-5d

108 = 3d

36 = d

this says that denominator =36

numerator = 25

option-a)

Answer 2

Hey mate...

Answer:25

WE have denominator =36

Numerator =( x-11)
= 36-11
= 25

Hope it helps.