The graph shows the mass of 6 children in kilograms.
- Who is three times as heavy as Rael? 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
Bobby: 55 kg
Rael: 26 kg
John: 21 kg
Archie: 64 kg
Cole: 78 kg
Wesley: 38 kg
Mass of a child to be 3 times as heavy as Rael
= 26 x 3
= 78 kg
The child who is 3 times as heavy as Rael = Cole = C
(b)
Mass of the three heaviest children
= 55 +64 + 78
= 197 kg
Answer(s): (a) C; (b) 197 kg