Question

answer this question. plz
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Answer 1

Answer:

ANS: A. 45 PUPILS

        B:15 PUPILS

Step-by-step explanation:

4x+2x+3x=total pupil

4x=20

x=5

4x+2x+3x=total

9x=total

total=5x9

total=45 (A)

3X=BADMINTON

badminton=3x5

                 =15 (B)

Answer 2

Answer:

(a) 90

(b) 30

Step-by-step explanation:

Addition of ratio's=4+2+3=9

(a) Let the pupils in the class be x

Then, 2/9×x=20

Or,2x/9=20

Or, x=20×9/2=90

(b)No. of pupils in the class who choose badminton=3/9×90=30