Robert's father is 4 times as old as Robert. After 5 years, father will be 3 times as old as Robert. Find their present ages.
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Let father's present age x and Robert age y....
Then x=4y
After 5 yrs age of father will be x+5 MD Robert will be y+5
Then x+5=3(y+5)
x-3y=10
Put x=4y
Then Solve.....x=40
y=10
Answer Father age 40 nd Robert age 10
Then x=4y
After 5 yrs age of father will be x+5 MD Robert will be y+5
Then x+5=3(y+5)
x-3y=10
Put x=4y
Then Solve.....x=40
y=10
Answer Father age 40 nd Robert age 10
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