The graph shows the mass of 6 children in kilograms.
- Who is two 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
Wesley: 56 kg
Zeph: 23 kg
Julian: 72 kg
Ian: 69 kg
Mark: 36 kg
Seth: 32 kg
Mass of a child to be 2 times as heavy as Mark
= 36 x 2
= 72 kg
The child who is 2 times as heavy as Mark = Julian = J
(b)
Mass of the three heaviest children
= 56 + 72 + 69
= 197 kg
Answer(s): (a) J; (b) 197 kg