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
Albert: 63 kg
Mark: 14 kg
Tim: 25 kg
Oliver: 54 kg
Warren: 42 kg
Vaidev: 22 kg
Mass of a child to be 3 times as heavy as Mark
= 14 x 3
= 42 kg
The child who is 3 times as heavy as Mark = Warren = W
(b)
Mass of the three heaviest children
= 63 +54 + 42
= 159 kg
Answer(s): (a) W; (b) 159 kg