Question

The sum of two number is 77. If the first number is multiplied by 4 and the second is multiplied by 2, the sum is 286. What are the two numbers?

Answer 1

here 1st case

x+y=77

or,x=77-y

second case

4x+2y=286 (according to question)

putting value of x from first case

4 (77-y)+2y=286

or,308-4y+2y=286

or,308-286=2y

or,22=2y

or,11=y and x=77-11

x=66

Explanation:

so,y=11 and x=66