Question

answer this with working​

Answer 1

Step-by-step explanation:

By first condition:

A + B = 25.....(1)

By second condition:

A = B + 8......(2)

From equations (1) & (2)

B + 8 + B = 25

2B + 8 = 25

2B = 25 - 8

2B = 17

$B = \frac{17}{2} \\ B = 8.5$