the sum of the ages of a father and his daughter is 85yrs. five years

1.	the sum of the ages of a father and his daughter is 85yrs. five years ago, the father was exactly four times as old as his daughter. the present age of the father is?
Answer» Answer: Step-by-step EXPLANATION: X+y=85 x-5=4(y-5) x-5=4y-20 therefore x=4y-15 substituting in 1 we get 5y-15=85 5y=100 therefore y=20 x=85-y 65 thus VALUES of x and y are 65 and 20 respectively x=69

the sum of the ages of a father and his daughter is 85yrs. five years ago, the father was exactly four times as old as his daughter. the present age of the father is?

Answer»

Answer:

Step-by-step EXPLANATION:

X+y=85

x-5=4(y-5)

x-5=4y-20

therefore x=4y-15

substituting in 1 we get

5y-15=85

5y=100

therefore y=20

x=85-y

thus VALUES of x and y are 65 and 20 respectively

x=69

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the sum of the ages of a father and his daughter is 85yrs. five years ago, the father was exactly four times as old as his daughter. the present age of the father is?

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