Question

THE MEAN MASS OF 7 PUPILS IS 38KG .WHAT WILL BE THE MEAN MASS OF THE PUPILS AND THEIR TEACHER WHOSE MASS IS 62KG

Answer 1

Step-by-step explanation:

$total \: mass \: = \: 38 + 62 = 100kg \\ \\ total \: people = 8 \: with \: teacher \\ mean = 100 \div 8 \\ \: \: \: \: = 12.5kg \: \\ hope \: is \: right \: answer \\ mark \: is \: brainlist$