1MA0 Higher November 2016 Paper 1 Q7
7 The diagram shows a path around a pond.
Diagram NOT accurately drawn
The pond is in the shape of a rectangle with length 7 m and width 4 m.
The path is 3 m wide.
Ali is going to cover the path with gravel.
One bag of gravel will cover 10 m\(^2\) of the path.
How many bags of gravel does Ali need to buy?
You must show your working. (4)
| Working | Answer | Mark | Notes |
|---|---|---|---|
| \((7 + 3 + 3) \times (4 + 3 + 3) - 7 \times 4 = 102\) OR \(2 \times 7 \times 3 + 2 \times 4 \times 3 + 4 \times 3 \times 3 = 102\) | 11 | 4 | M1 for a correct method to find the area of one appropriate rectangle M1 for a complete method to find the area of the path M1 (dep on M1) for “102” ÷ 10 A1 cao from correct working |