The graph shows the mass of 6 children in kilograms.
- Who is two times as heavy as Archie? 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: 47 kg
Archie: 18 kg
Lee: 23 kg
Bobby: 63 kg
Riordan: 36 kg
Eric: 29 kg
Mass of a child to be 2 times as heavy as Archie
= 18 x 2
= 36 kg
The child who is 2 times as heavy as Archie = Riordan = R
(b)
Mass of the three heaviest children
= 47 +63 + 36
= 146 kg
Answer(s): (a) R; (b) 146 kg