The graph shows the mass of 6 children in kilograms.
- Who is three times as heavy as Mark? 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
Bryan: 56 kg
Ryan: 39 kg
Cody: 63 kg
Dylan: 69 kg
Mark: 21 kg
George: 29 kg
Mass of a child to be 3 times as heavy as Mark
= 21 x 3
= 63 kg
The child who is 3 times as heavy as Mark = Cody = C
(b)
Mass of the three heaviest children
= 56 + 63 + 69
= 188 kg
Answer(s): (a) C; (b) 188 kg