The graph shows the mass of 6 children in kilograms.
- Who is three times as heavy as Bryan? 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
Archie: 45 kg
Paul: 15 kg
Bryan: 15 kg
Harry: 38 kg
Jack: 39 kg
Liam: 13 kg
Mass of a child to be 3 times as heavy as Bryan
= 15 x 3
= 45 kg
The child who is 3 times as heavy as Bryan = Archie = A
(b)
Mass of the three heaviest children
= 45 + 38 + 39
= 122 kg
Answer(s): (a) A; (b) 122 kg