Edexcel IGCSE Math A Foundation 1.7 E Word Problems About Ratio and Proportion Questions
Practise translating recipes, sharing, scale diagrams and linked quantities into ratios or proportional calculations.
Syllabus
First assessment 2018
Course
Math A 4MA1
Level
Foundation
Exam points
scale recipes or ingredient lists and identify the limiting quantity
divide a total in a stated ratio before applying fractions or percentages
combine linked ratios or proportional statements to find an unknown amount
Edexcel IGCSE Math A Foundation 1.7 E Word Problems About Ratio and Proportion Questions question 1
[Maximum number: 3]
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.
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.
Work out the ratio cost of lemon juice in the salad dressing : cost of olive oil in the salad dressing Give your ratio in its simplest form.
Cost ratio:
2×13.50:5×18
27:90
3:10
Final answer:
3:10
M1 oe for any multipliers in the ratio 2:5. A1. A1 accept 1:3.33… or 0.3:1. SC B1 for 3:4.