The graph shows the mass of 6 children in kilograms.
- Who is two times as heavy as Eric? 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
Justin: 22 kg
Mark: 16 kg
Eric: 11 kg
Riordan: 31 kg
Henry: 36 kg
Xavier: 25 kg
Mass of a child to be 2 times as heavy as Eric
= 11 x 2
= 22 kg
The child who is 2 times as heavy as Eric = Justin = J
(b)
Mass of the three heaviest children
= 22 + 31 + 36
= 89 kg
Answer(s): (a) J; (b) 89 kg