answer please friends for all the questions step by step for all the question correctly means I make has brand list you please answer
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answer please friends for all the questions step by step for all the question correctly means I make has brand list you please answer
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Answer:
33
Step-by-step explanation:
suppose ,
x is the present age of father
and y is the present age of son
according to 1st condition
x= 4y __1
according to 2nd condition
x+5 = 3(y+5)
4y + 5 = 3y+ 15 ___ from 1
4y-3y = 15 -5
y = 10
x=4y____from 1
x= 4× 10
x = 40
therfore ,present age of father is x = 40 yr
and present age of son is y= 10 yr