how do ratios work

if x and y are in a ratio 3:2 you can write it as 3x=2y so if you are given a value for either you substitute it into this and rearange to get the other value. e.g y = 2 what is x? 3x=2(2) so 4=3x, x=3/4.

AM

Related Maths GCSE answers

All answers ▸

Solve the inequality x^2 – 9x – 22 ≥ 0


Solve 9x +1> 2x +3


What is 90 million in standard form?


Sam uses 140g of flour to make 12 cakes. How much flour will Sam need to make 21 cakes?