The graph shows the mass of 6 children in kilograms.
- Who is two 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
Billy: 55 kg
Ivan: 12 kg
Zeph: 20 kg
Julian: 56 kg
Carl: 24 kg
Riordan: 28 kg
Mass of a child to be 2 times as heavy as Ivan
= 12 x 2
= 24 kg
The child who is 2 times as heavy as Ivan = Carl = C
(b)
Mass of the three heaviest children
= 55 +56 + 24
= 135 kg
Answer(s): (a) C; (b) 135 kg