4MA1/2F Jan 2021, Question 8: Unit Conversions
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2F (Foundation) · Calculator · 3 marks
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The question, in short
Find the flour left in a 3 kg bag after making 8 pies, 3 using 150 g and 5 using 180 g each; give the answer in grams.
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Solution · 3 marks
- 13 kilograms = 3 × 1000 = 3000 grams
- 23 pies use 3 × 150 = 450 grams
- 35 pies use 5 × 180 = 900 grams
- 4Flour used altogether = 450 + 900 = 1350 grams
- 5Flour remaining = 3000 − 1350 = 1650 grams
Answer1650
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