Unit 6 · Algebra
36-Biscuit Large — How Many in Small?
Lesson 7 of 24
Premium
About this lesson
Large = 36. Two large = three medium, so medium = 24. Two medium = three small, so small = 16.
Chapters
0:00Introduction
0:23The Question
0:55Unpacking the medium packet capacity
1:28Calculating the small packet capacity
2:02Exam strategy — chained fraction ratios
2:49Confirming the final option
Question
A large packet of biscuits holds 36 biscuits.
Two large packets hold the same number of biscuits as three medium packets.
Two medium packets hold the same number of biscuits as three small packets.
How many biscuits does a small packet hold?
Free account · Selective
Take your Selective prep further
- Sample questions & worked solutions across core Selective topics
- Digital exam simulator with interactive practice sets
- Personalised progress tracking across all your devices
Already have an account? Log in here
No payment required. Compare Selective plans
Give Your Child the Best Chance at Selective Entry
Join NSW families preparing their children for the Selective Schools Placement Test with the most realistic online Selective practice tests available. First tests free—no credit card required.
Claim Your Free Selective Practice Tests