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
Henry: 41 kg
Ivan: 25 kg
Bobby: 21 kg
Carl: 53 kg
Oliver: 75 kg
Seth: 14 kg
Mass of a child to be 3 times as heavy as Ivan
= 25 x 3
= 75 kg
The child who is 3 times as heavy as Ivan = Oliver = O
(b)
Mass of the three heaviest children
= 41 +53 + 75
= 169 kg
Answer(s): (a) O; (b) 169 kg