A class of 16 guys has an average weight of 50.25 kg, while the remaining 8 boys have an average weight of 45.15 kg. Calculate the weights of all the lads in the class on a scale of one to ten.
A. 47.55 kg
B. 48 kg
C. 48.55 kg
D. 49.25 kg
Answer:C
A class of 16 guys has an average weight of 50.25 kg, while the remaining 8 boys have an average weight of 45.15 kg. Calculate the weights of all the lads in the class on a scale of one to ten.
A. 47.55 kg B. 48 kg C. 48.55 kg D. 49.25 kg
Explanation: Average required = 50.25 x 16 + 45.15 x 8 /16 + 8= 804 + 361.20 /24 = 804 + 361.20 /24 = 804 + 361.20= 1165.20/24= 48.55