The graph shows the mass of 6 children in kilograms.
- Who is three times as heavy as Bobby? 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
Luis: 42 kg
Riordan: 25 kg
Bobby: 14 kg
Tommy: 40 kg
Japheth: 36 kg
Archie: 10 kg
Mass of a child to be 3 times as heavy as Bobby
= 14 x 3
= 42 kg
The child who is 3 times as heavy as Bobby = Luis = L
(b)
Mass of the three heaviest children
= 42 + 40 + 36
= 118 kg
Answer(s): (a) L; (b) 118 kg