The graph shows the mass of 6 children in kilograms.
- Who is three times as heavy as Xavier? 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
Brandon: 56 kg
Justin: 46 kg
Archie: 126 kg
David: 51 kg
Xavier: 42 kg
Reggie: 32 kg
Mass of a child to be 3 times as heavy as Xavier
= 42 x 3
= 126 kg
The child who is 3 times as heavy as Xavier = Archie = A
(b)
Mass of the three heaviest children
= 56 + 126 + 51
= 233 kg
Answer(s): (a) A; (b) 233 kg