Mr Polaski is 5 times as old as his son David. Five years ago the father was 15 times as old as his son. What are their ages now?

Question

a_clan · Answer

x=5y
x-5=15(y-5)

anonymous · Answer

is the equation x-5=15(x-5)

anonymous · Answer

or is it 5x-5=15(x-5)

anonymous · Answer

let David's present age = x years
then Polaski's age = 5x years

five years ago
Davidf's age = x-5
Polski's age = 5x -5

ATQ  5x -5 = 15(x-5)

5x - 5 = 15x -75

anonymous · Answer

ty

anonymous · Answer

5x - 15x = -75 +5
-10x = -70
x = -70/-10 = 7

anonymous · Answer

so David is now 7 years 
Polaski is now 35 years

anonymous · Answer

ty so much wasn't sure why the equation was 5x-5=15(x-5) but got it now

anonymous · Answer

Good for you !!!!
GOOD ANSWER click pls    o(:})