the ages of Sonu and Raju are in the ratio 2 ratio 3 after 5 years their ages will be in the ratio 3 ratio 4 find their present ages
Answers
Answer:
The age of Sonu=2x
the age of Raju =3x
After 5 years,their ages will be
2x+5 and 3x+5
Ratio after 5 years=3:4
Present ages = 2x+5/3x+5=3/4
=(2x+5)3+3(3x+5)
6x+15+9x+15
6x+9x=15+15
15x=30
x=30/15
x=2
Hope it u would understand
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Answer:
therefore, Sonu and Raju ages are 10 and 15
Step-by-step explanation:
let ages of Sonu and Raju ages be x and y
condition 1:
given there ages are in ratio 2:3
then (x/y)=(2/3)
x=(2y/3)
condition 2:
after 5 years their ages will be in the ratio 3:4
i.e. (x+5)/(y+5)=(3/4)
4(x+5)=3(y+5)
4x+20=3y+15
4x-3y+20-15=0
4x-3y+5=0
4(2y/3)-3y+5=0
(8y/3)-3y+5=0
(8y/3)-(9y/3)+5=0
-(y/3)+5=0
(y/3)=5
y=5(3)
y=15
x=(2y)/3
x=(2(15))/3
x=(2×3×5)/3
x=2×5
x=10