Foundation November 2017 Paper 3 Q5

5 2.5 kg of carrots cost £1.70

Work out the cost of 3.25 kg of carrots. [3 marks]

Mark scheme

Answer	Mark	Comments
Alternative method 1 of 5
1.7(0) \(\div\) 2.5 or 0.68 or 170 \(\div\) 2.5 or 68	M1	oe 0.51 or 51 implies M1
their 0.68 \(\times\) 3.25 or their 68 \(\times\) 3.25 or 221	M1dep	oe
2.21	A1
Alternative method 2 of 5
2.5 \(\div\) 1.7(0) or 1.47… or 2.5 \(\div\) 170 or 0.0147…	M1	oe
3.25 \(\div\) their 1.47… or 3.25 \(\div\) their 0.0147… or 221	M1dep	oe
2.21	A1
Alternative method 3 of 5
3.25 \(\div\) 2.5 or 1.3	M1	oe
their 1.3 \(\times\) 1.7(0) or 3.25 \(\times\) 1.7(0) \(\div\) 2.5	M1dep	oe
2.21	A1
Alternative method 4 of 5
2.5 \(\div\) 3.25 or 0.769… or 0.77	M1	oe
1.7(0) \(\div\) their 0.769… or 1.7(0) \(\div\) their 0.77	M1dep	oe
2.21	A1
Alternative method 5 of 5
1.7(0) \(\div\) 10 or 0.17 and 3.25 \(\div\) 0.25 or 13	M1	oe
their 0.17 \(\times\) their 13 or 1.7(0) \(\div\) 10 \(\times\) their 13	M1dep	oe
2.21	A1

Condone 2.21p unless the £ sign has been crossed out	M1M1A1
(£)0.51 or 51(p) is the cost of the extra 0.75 kg of carrots This implies the first M1 on Alt 1 and achieves the second M1 if added to 1.7(0) or 170
Accept work in grams rather than kilograms
Do not allow a misread of 3.25 kg