4 boys and 3 girls spent 120 on the average, of which boys spent 150 on the average. Then the average amount spent by the girls is

4 boys and 3 girls spent 120 on the average, of which boys spent 1

1.	4 boys and 3 girls spent 120 on the average, of which boys spent 150 on the average. Then the average amount spent by the girls is
A.	80
B.	60
C.	90
D.	100
Answer» B. 60

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4 boys and 3 girls spent 120 on the average, of which boys spent 150 on the average. Then the average amount spent by the girls is

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