The graph shows the mass of 6 children in kilograms.
- Who is three times as heavy as Sam? 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
Lee: 60 kg
Jack: 19 kg
Sam: 20 kg
Zane: 34 kg
Fred: 35 kg
Rael: 28 kg
Mass of a child to be 3 times as heavy as Sam
= 20 x 3
= 60 kg
The child who is 3 times as heavy as Sam = Lee = L
(b)
Mass of the three heaviest children
= 60 + 34 + 35
= 129 kg
Answer(s): (a) L; (b) 129 kg