The graph shows the mass of 6 children in kilograms.
- Who is two times as heavy as Albert? 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
Valen: 40 kg
Wesley: 19 kg
Albert: 20 kg
Cody: 39 kg
Tim: 36 kg
Oscar: 11 kg
Mass of a child to be 2 times as heavy as Albert
= 20 x 2
= 40 kg
The child who is 2 times as heavy as Albert = Valen = V
(b)
Mass of the three heaviest children
= 40 + 39 + 36
= 115 kg
Answer(s): (a) V; (b) 115 kg