The sum of the current age of A and B is 50 years. Before 5 years the

1.	The sum of the current age of A and B is 50 years. Before 5 years the ratio of their ages was 5:7. What is the difference in their current age?
Answer» Answer: 5years ago 5x,7x 10 YEARS HENCE (5x+10):(7x+10)=4:5 5(5x+10)=4(7x+10) UPON simplication 3x=10 X=10/3 50/3+10,70/3+10 120/3+20 40+20=60 Avg=60/2=30

The sum of the current age of A and B is 50 years. Before 5 years the ratio of their ages was 5:7. What is the difference in their current age?

Answer»

Answer:

5years ago

5x,7x

10 YEARS HENCE

(5x+10):(7x+10)=4:5

5(5x+10)=4(7x+10)

UPON simplication

3x=10

X=10/3

50/3+10,70/3+10

120/3+20

40+20=60

Avg=60/2=30

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The sum of the current age of A and B is 50 years. Before 5 years the ratio of their ages was 5:7. What is the difference in their current age?

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