The graph shows the mass of 6 children in kilograms.
- Who is three times as heavy as Reggie? 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
Billy: 81 kg
David: 22 kg
Reggie: 27 kg
George: 30 kg
Michael: 34 kg
Valen: 13 kg
Mass of a child to be 3 times as heavy as Reggie
= 27 x 3
= 81 kg
The child who is 3 times as heavy as Reggie = Billy = B
(b)
Mass of the three heaviest children
= 81 + 30 + 34
= 145 kg
Answer(s): (a) B; (b) 145 kg