(A)
4000
(B)
3800
(9)
Juan
The average age of 4 sisters is 7 years. If the age of mother is included, the averag
increased by 6 years. Find the age of the mother.
(B) 38years (C) 36vears (D) 37vears
Answers
Answered by
1
hey friend here is your answer.
let the sum of sisters age is x.
let mother =y
so x÷y=7
Now (x+y)÷(4+1)=7+6
28+y÷5=13
28+y=13×5
28+y=65
there fore ,y=37.
so, the mother's age is 37 years.
hope it will help you.
let the sum of sisters age is x.
let mother =y
so x÷y=7
Now (x+y)÷(4+1)=7+6
28+y÷5=13
28+y=13×5
28+y=65
there fore ,y=37.
so, the mother's age is 37 years.
hope it will help you.
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