Question

Class A has 26 pupils and class B has 15 pupils.

Answer 1

Answer:

It's 49.4

Step-by-step explanation:

((26*33)+(15*x))/41＝39

((858)+(15*x))/41＝39 ‖*41

(858)+(15*x)＝1599 ‖-858

15*x＝741 ‖/15

x＝49.4

Answer 2

Answer:

Concept: Real World Analysis

1. So we know A has an average of 33
2. We know A+B/2= 39
3. Hence we will solve for b
4. $\frac{33 + x}{2} = 39$
5. $x = 45$