The graph shows the mass of 6 children in kilograms.
- Who is three times as heavy as Reggie? 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
Xavier: 58 kg
Dylan: 42 kg
Pierre: 129 kg
Eric: 52 kg
Reggie: 43 kg
Vaidev: 44 kg
Mass of a child to be 3 times as heavy as Reggie
= 43 x 3
= 129 kg
The child who is 3 times as heavy as Reggie = Pierre = P
(b)
Mass of the three heaviest children
= 58 + 129 + 52
= 239 kg
Answer(s): (a) P; (b) 239 kg