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Question 719636: Please help to Solve.
Mr Robert is 5 times as old as his son now. In 7 years time, their total ages will be 86 years.
(a) what is his son's present age?
(b) What is Mr Robert's age in 7 years time?
Answer by lynnlo(4176)   (Show Source):
You can put this solution on YOUR website! I GET THESE PROBLEMS ALL THE TIME ON "AGES
SO, I WILL GIVE YOU AN EXAMPLE STEP BY STEP AND LET YOU DO YOUR PROBLEM AND YOU WILL THEN UNDERSTAND THESE TYPE OF PROBLEMS
EXAMPLE:
MR. JACKS IS 5 TIMES AS OLD AS HIS SON IS,,,IN 4YEARS THEIR TOTAL AGES WILL BE 56,,,,
x=son's age
5x=father's age
sum of ages in 4 years=56
(x+5)+4=56
6x=52==divide 52 into 6 will =8.6666
x=8.7===you will round off 8.6666 to 8.7
5x=43.3===multiply 8.7x 5===43.3
THIS EXAMPLE SHOULD HELP YOU
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