Question

Which 2 number have the mean of 10 and range of 4

Answer 1

12 and 8

Explanation:

→ Set up two equations

x - y = 4

`(x+y)/(2) =10 \\ \\x + y = 20`

→ Add the 2 equations together

2x = 24

→ Solve for x

x = 12

→ Substitute into original equation

12 - y = 4

→ Solve

y = 8