Question

If 8 students averaged 50 KG in weight and 12 students averaged 45 kg. find out the combined average weight of 20 students​

Answer 1

$\huge\pink{\boxed{\blue{\boxed{ \purple{ \boxed{{\pink{Answer}}}}}}}} \\ \large\pink{\boxed{\blue{\boxed{ \purple{ \boxed{{\pink{Your~answer↓}}}}}}}} \\ \small\bold\blue{combine \: average \: weight \: = \frac{8 \times 50 + 12 \times 45}{20} = \frac{400 + 540}{20} = \frac{940}{20} = 47 \: kg}$