Q1) 18 is taken away from 8 times of a number is 30. Find the number.
Q2) At present, Adam’s mother is 49 years old. She is 5 years older than four times Adam’s age. What is
Adam’s present age?
Answers
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3
1]
Given :-
18 is taken away from 8 times of a number is 30.
To Find :-
Number
Solution :-
Let the number be x
8x - 18 = 30
8x = 30 + 18
8x = 48
x = 48/8
x = 6
Hence
Number is 6
2]
Given :-
At present, Adam’s mother is 49 years old. She is 5 years older than four times Adam’s age
To Find :-
Adam's present age
Solution :-
Let the present age of Adam be x
49 = 4x + 5
49 - 5 = 4x
44 = 4x
44/4 = x
11 = x
Hence
Age of Adam is 11 years
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