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#
Question:

In a competition, three teams, A, B and C, scored a total of 150 points.

If A scored 40% of this total and B scored four times as many points as C, what were the number of points scored by B?

A
72

Explaination

Let a be the points earned by A, b be the points scored by B, and c be the points scored by C.

$8475_w82_h38.png$

$9266_w137_h45.png$

a=60points

b = 4c

150=a+b+c

150=60+4c+c

150=60+5c

5c=150–60

$4138_w52_h37.png$

c = 18 points

b=4c=$7975_w138_h17.png$

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