Question

Three boys and two girls have a mean weight of 42 kg. If three boys have a mean weight of 45 kg, what is the mean weight of the two girls?​

Answer 1

Answer:

39kg

Step-by-step explanation:

Mean weight of boys = 45

let the Mean weight of girls be x

Total mean weight of boys and girls = 45 kg

45+x/2 = 42

45 + x = 42*2 = 84

x= 84-45 = 39

please mark me brainliest and follow