Question

Find two numbers with sum of 15 and difference of 4

Answer 1

9.5 and 5.5

Explanation:

`x+y=15\\x-y=4\\\\2x=19\\x=9.5\\\\x+y=15\\9.5+y=15\\y=5.5`

Therefore, the two numbers are 9.5 and 5.5 since 9.5+5.5=15 and 9.5-5.5=4