Question

If a and b are two positive numbers such that a+b=640,where a is 100 greater than b, then find a and b.

Answer 1

Here it is given that
a+b=640.........eq1
also according to question
a=b+100
a-b=100..........eq2
.adding eq1 and eq2
2a=740
a=370
So b=a-100
b= 270

Answer 2

hey mate here is ur answer
let b=220 than a will be 320 and according to question a+b is 640 than add both a+b =640
so ais 320 and b is 220
hope it will satisfy u