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 ▸All tickets for a concert are the same price. Ayo and Rachel pay £63 total for some tickets. Ayo pays £24.50 for 7 tickets. How many tickets does Rachel buy?
What is the gradient of a line with the equation y=4x+5?
Simplify 2a^3 b × 5a^2 b^3
If f(x) = 5 – x and g(x) = 3x + 7, simplify f(2x) + g(x – 1)