Numbers and the number system (AQA GCSE Further Maths): Flashcards

How many times one amount contains another

Convert all quantities to the same units

Parts of 100

Divide by 100

Convert % to decimal, then multiply by the number

$(100 + \text{increase})$% as decimal

$1.175$

Multiply by the reciprocal (flip second fraction)

Flip and multiply

Make the common term the same value in both ratios

LCM of the term's values

$20:21$