Percentages Flashcards
To find 50%
Half it
To find 10 %
Divide by 10
Per cent means
Out of 100
To find 23% of £450 on your calculator
23/100 x 450 = £103.50
To find 76% of 50m on your calculator
76/100 x 50 = 38m
Percentage Profit
Profit/Original x 100
Percentage Loss
Loss/Original x 100
To find 25%
half it and half it again
To find 5%
Divide by 10 then half it
To find 1%
Divide by 100
Find 10% of £66
£6.60
66 ÷ 10
To find 20%
divide by 10 to get 10% then double it
Find 10% of 130kg
13kg
130 ÷ 10
Find 50% of £30
£15
30 ÷ 2
Find 25% of 50kg
12.5kg
50 ÷ 2 = 25, 25 ÷ 2 = 12.5
Find 5% of $60
$3
60 ÷ 10 = 6, 6 ÷ 2 = 3
Find 75% of 40m
30m
40 ÷ 2 = 20, 20 ÷ 2 = 10, 20 + 10 = 30
Fred bought a car for £1300 and sold it for £1612. Calculate the percentage profit.
Percentage profit = 24%
(profit = 1612 - 1300 = 312
% profit = 312/1300 x 100)
