The graph shows the mass of 6 children in kilograms.
- Who is three times as heavy as David? 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
Tim: 61 kg
David: 25 kg
Bryan: 28 kg
Jeremy: 40 kg
Reggie: 75 kg
Lee: 22 kg
Mass of a child to be 3 times as heavy as David
= 25 x 3
= 75 kg
The child who is 3 times as heavy as David = Reggie = R
(b)
Mass of the three heaviest children
= 61 +40 + 75
= 176 kg
Answer(s): (a) R; (b) 176 kg