Foundation November 2022 Paper 1 Q11

11 A shop sells notebooks and pencils.

Notebooks
Pack of 8 for £12

Pencils
56p each
or
Pack of 6 for £2.70

(a) Marek buys some packs of notebooks.

The cost is £60

In total, how many notebooks does he buy? [2 marks]

(b) Work out the cheapest cost of 10 pencils. [3 marks]

The shop has this offer.

Buy 3 folders
Get another one for half price

Work out the cost of 4 folders using the offer. [3 marks]

Answer	Mark	Comments
\(60 \div 12\) or 5 or \(12 \div 8\) or 1.5	M1	oe for repeated addition, allow one error
40	A1

Mark scheme (b)

Answer	Mark	Comments
\(4 \times 56\) or 224 or \(10 \times 56\) or 560 or \(6 \times 56\) or 336 or \(2 \times 2.7(0)\) or 5.4(0) or \(2.7(0) \div 6\) or 0.45	M1	oe eg \(4 \times (0).56\) or 2.24
\(2.7(0) +\) their 224 or 494 or their \(5.6(0) -\) their \(3.36 + 2.7(0)\) (corrected from the printed mark scheme: their 336)	M1dep	oe eg \(270 + 4 \times 56\)
4.94	A1	accept 494p

Allow mixed units for up to M1M1dep eg \(2.70 + 4 \times 56\) eg \(56 + 56 + 56 + 56 = 224\), \(224 + 2.70\)	M1M1 M1M1
Condone £4.94p	M1M1A1
(£)4.5(0) implies 0.45	M1
Up to M2 may be awarded for correct work, with no or incorrect answer, even if seen amongst multiple attempts

Mark scheme (c)

Answer	Mark	Comments
\(3 \times 3.2(0)\) or 9.6(0) or \(3.2(0) \div 2\) or 1.6(0) or \(4 \times 3.2(0)\) or 12.8(0) or 3.5	M1	oe eg \(3 \times 320\) or 960
\(3 \times 3.2(0) + 3.2(0) \div 2\) or \(4 \times 3.2(0) - 3.2(0) \div 2\) or \(3.5 \times 3.2(0)\) or 11.2 or 1120	M1dep	oe eg \(3 \times 320 + 320 \div 2\) or \(7 \times 1.6(0)\)
11.20	A1	accept 1120p

Allow mixed units for up to M1M1dep eg \(3 \times 3.2(0) + 320 \div 2\)	M1M1
Condone £11.20p	M1M1A1
Up to M2 may be awarded for correct work, with no or incorrect answer, even if seen amongst multiple attempts

\(8 \times 5 = 35\)	M1A0
\(60 \div (12 \div 8)\)	M1A0