The graph shows the mass of 6 children in kilograms.
- Who is three times as heavy as Ian? 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
George: 51 kg
Zane: 26 kg
Ian: 17 kg
Riordan: 31 kg
Warren: 38 kg
Seth: 19 kg
Mass of a child to be 3 times as heavy as Ian
= 17 x 3
= 51 kg
The child who is 3 times as heavy as Ian = George = G
(b)
Mass of the three heaviest children
= 51 + 31 + 38
= 120 kg
Answer(s): (a) G; (b) 120 kg