The graph shows the mass of 6 children in kilograms.
- Who is two times as heavy as Oliver? 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
Perry: 41 kg
Oliver: 21 kg
Charlie: 11 kg
Warren: 59 kg
Neave: 42 kg
Justin: 25 kg
Mass of a child to be 2 times as heavy as Oliver
= 21 x 2
= 42 kg
The child who is 2 times as heavy as Oliver = Neave = N
(b)
Mass of the three heaviest children
= 41 +59 + 42
= 142 kg
Answer(s): (a) N; (b) 142 kg