Direct Proportion - Definition and How to solve Questions - Teachoo
Proportionality (mathematics) - Wikipedia
Direct and Inverse Proportion. Direct Proportion Example: C is directly proportional to t We are told that when C = 70, t = 14 We can write C t So C = - ppt download
Direct Proportion - Meaning, Formula, Examples, Graph
Direct Proportion - GCSE Maths - Steps, Examples & Worksheet