The graph shows the mass of 6 children in kilograms.
- Who is three times as heavy as Sam? 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
Eric: 48 kg
Sam: 27 kg
Ian: 10 kg
George: 43 kg
Valen: 81 kg
Julian: 19 kg
Mass of a child to be 3 times as heavy as Sam
= 27 x 3
= 81 kg
The child who is 3 times as heavy as Sam = Valen = V
(b)
Mass of the three heaviest children
= 48 +43 + 81
= 172 kg
Answer(s): (a) V; (b) 172 kg