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5 Cards in this Set

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  • Back
how do you find a percentage of a quantity?
put the percentage over 100 then times it by the quantity over 1 and find the answere. (but remember to cancel as much zeros out as you can)
50% of £10
50 10 5
-- * -- = -- = £5
100 1 1
70% of 70cm
70 70 49
-- * -- = -- = 49cm
100 1 1
20% of 30g
20 30 6
-- * -- = -- = 6g
100 1 1
40% of 30km
40 30 12
-- * -- = -- = 12km
100 1 1