The graph shows the mass of 6 children in kilograms.
- Who is three times as heavy as Fred? 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
Luis: 57 kg
David: 13 kg
Fred: 19 kg
Sam: 39 kg
Pierre: 35 kg
Wesley: 15 kg
Mass of a child to be 3 times as heavy as Fred
= 19 x 3
= 57 kg
The child who is 3 times as heavy as Fred = Luis = L
(b)
Mass of the three heaviest children
= 57 + 39 + 35
= 131 kg
Answer(s): (a) L; (b) 131 kg