A Fraction is such that if numenator is multiplied by 3 and denominator is reduced by 3 is 18/11 but numenator is increased by 8 and denominator is doubled we get 2/5 find the fraction .
Answers
Answered by
1
Answer:
12/25
Step-by-step explanation:
let the fraction be x/y
if[x*3]/[y-3]=18/11
cross multiply
3x*11=18y-54
33x=18y-54[equation 1]
if[x+8]/[y*2]=2/5
5x+40=2*2*y
5x+40=4y[equation 2]
eq2*33,eq 1*5
165x+1320=132y
165x+270=90y
42y=1050
y=25
5x+40=4[25]
5x+40=100
5x=60
x=12
Similar questions