The mass of a bag of potatoes is 2.5 kg, stated to the nearest 0.1 kg.
(a)[2]
State the upper bound and the lower bound for the mass of a bag of potatoes.
(b)[2]
The mass of a box is 8.0 kg, correct to the nearest 0.1 kg. Bags of potatoes are placed in the box. Calculate the upper bound for the total mass of a box containing 12 bags of potatoes.
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Upper bound = 2.55” …