Question

Find 2 numbers if their sum is 3/5 and their difference is 7 1/5?

Answer 1

x=3.9 and y=-3.3

Explanation:

Let x and y be the two numbers
`x+y=3/5`
`x-y=36/5`
Let's solve by elimination
`2x=39/5`
x=3.9
y=-3.3