Three boys have an average weight of 42.5 kg. When the weight of a fourth boy is included, the average becomes 44 kg. Determine the weight of the fourth boy?
Answers
Answered by
10
Answer:
42.5
Step-by-step explanation:
Average weight of 3 boys=42.5
Total weight of 3 boys = Average x 3
=42.5 x 3=127.5
Average weight of 4 boys=44
Total weight of 4 boys=44 x 4=176
Weight of 4th boy=176-127.5=48.5kg
Answered by
0
Answer:
45.55
Step-by-step explanation:
44/42.5
=1.035 * 44
= 45.55
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