Foundation January 2023 Paper 2R Q13
13 The diagram shows the plan of a floor.
Diagram NOT accurately drawn
Indira is going to paint the floor.
She needs to buy enough tins of paint to cover the floor with one coat of paint.
Each tin of paint covers an area of 7 m2
Each tin of paint costs £23.90
Indira buys the least possible number of tins of paint.
Work out the total cost of the tins of paint that Indira buys.
Show your working clearly.
(5)
| Scheme | Marks |
|---|---|
| eg 8 × 12 (= 96) or 7 × 3 (= 21) or 3 × 15 (= 45) or 8 × 9 (= 72) or 15 × 12 (= 180) or 7 × 9 (= 63) | M1 |
| eg “96” + “21” (= 117) or “45” + “72” (= 117) or “180” – “63” (= 117) | M1 |
| eg 117 ÷ 7 (= 16.7... or 17) | M1 |
| eg “17” × 23.9 | M1 |
| Working required Answer: 406.3(0) | A1 |
| (5) | |
| (5 marks) |
Notes
M1: for a method to find one relevant area
accept 15 – 8 as 7 and 12 – 3 as 9
M1: for a complete method to find the total area
M1: (indep) for a method to find the number of tins for their area ft from any value that has come from a calculation that includes at least 2 of the given dimensions
M1: for a method to calculate the cost for their number of tins dependent on previous M1
A1: dep on M1