Question

2) Form the equations from the following information:

Sum of the present ages of Sam and Tom is 31. Tom’s age 3 years ago was 4 times the age of Sam.

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Answer 1

Step-by-step explanation:

Let the present age of manish =x & savita =y

x+y=31−(i)

x−3=4(y−3)−(ii)

⇒x−3=4y−12

⇒x=4y−9

Putting in (i) , we get

5y−9=31

⇒5y=40⇒y=8

⇒x=31−8⇒x=23

⇒ Present age of manish=23years

⇒ Present age of savita=8 years

Answer 2

⇒ Present age of manish=23years

⇒ Present age of savita=8 years