4MA0 Foundation June 2013 Paper 1 Q7
7 This graph can be used to find the cost, in US dollars ($), of cleaning a carpet with an area of up to 50 m2.
A carpet has an area of 41 m2
(a) Use the graph to find the cost of cleaning this carpet. (1)
The cost of cleaning another carpet is $65
(b) Use the graph to find the area of this carpet. (1)
A rectangular carpet has a length of 6.8 m and a width of 5 m.
(c) Find the cost of cleaning this carpet. (3)
| Scheme | Marks |
|---|---|
| 115 | B1 |
| (1) |
Notes
B1: cao
| Scheme | Marks |
|---|---|
| 23 | B1 |
| (1) |
Notes
B1: cao
| Scheme | Marks |
|---|---|
| \(6.8 \times 5\) | M1 |
| 34 | A1 |
| 95 | A1 |
| (3) |
Notes
A1: May be implied by ans of 95