The graph shows the mass of 6 children in kilograms.
- Who is three times as heavy as Ivan? 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
Ahmad: 58 kg
Zane: 23 kg
Warren: 123 kg
Owen: 62 kg
Ivan: 41 kg
Billy: 42 kg
Mass of a child to be 3 times as heavy as Ivan
= 41 x 3
= 123 kg
The child who is 3 times as heavy as Ivan = Warren = W
(b)
Mass of the three heaviest children
= 58 + 123 + 62
= 243 kg
Answer(s): (a) W; (b) 243 kg