The graph shows the mass of 6 children in kilograms.
- Who is two times as heavy as Ethan? Give the first letter of the answer. (Eg Apple = A)
- What is the total mass of the 3 heaviest children?
(a)
Mass of the 6 children
Owen: 69 kg
Liam: 37 kg
Bryan: 78 kg
Xavier: 51 kg
Ethan: 39 kg
Peter: 45 kg
Mass of a child to be 2 times as heavy as Ethan
= 39 x 2
= 78 kg
The child who is 2 times as heavy as Ethan = Bryan = B
(b)
Mass of the three heaviest children
= 69 + 78 + 51
= 198 kg
Answer(s): (a) B; (b) 198 kg