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Edexcel IGCSE Math A 1.7.B divide a quantity in a ratio

Practise ratio-sharing questions by finding one part, calculating each share and adjusting shares after donations or transfers.

Syllabus
First assessment 2018
Course
Math A 4MA1
Level
Foundation

Exam points

  • Divide totals into two- or three-part ratios before calculating a named person's share.
  • Use ratio shares with percentages or fractions, such as charity amounts or yellow bulbs.
  • Find the value of one part from a given difference, then calculate the required share.

1.7.B Divide a quantity in a given ratio or ratios Share £416 question 1

[Maximum number: 2]

Jess makes salad dressing by mixing lemon juice and olive oil in the ratio 2: 5 by volume. She uses 0.5 litres of lemon juice.

Work out how much olive oil he uses to make the salad dressing.
millilitres

Salad dressing is made by mixing lemon juice and olive oil in the ratio 2: 5 by volume.
The cost of lemon juice is $ 13.50 per litre.
The cost of olive oil is $ 18 per litre.

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