The graph shows the mass of 6 children in kilograms.
- Who is three times as heavy as Riordan? 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
Cody: 53 kg
Julian: 26 kg
Seth: 141 kg
Howard: 57 kg
Riordan: 47 kg
Brandon: 46 kg
Mass of a child to be 3 times as heavy as Riordan
= 47 x 3
= 141 kg
The child who is 3 times as heavy as Riordan = Seth = S
(b)
Mass of the three heaviest children
= 53 + 141 + 57
= 251 kg
Answer(s): (a) S; (b) 251 kg