Question

3. Sum of two numbers is 240 and their difference is 20. Find the numbers.​

Answer 1

Answer:

first number=130

second number=110

Step-by-step explanation:

let be number in form of a,b.

according to question:

a+b=240

a-b=20

a+b+a-b=240+20

2a=260

a=260/2

a=130

put the value of a in a+b=240;

130+b=240

b=240-130

b=110.