Percentages
Express 0.45 as a percentage
45%
Express 85% as a decimal
0.85
Express 0.45 as a fraction in its lowest terms
9/20
Decrease 1200kg by 20%
960kg
Mrs Jones has marked 3/5 of her students books. She still has 28 left to mark. How many students does she have?
70
Express 4/25 as a percentage
16%
Express 7/20 as a decimal
0.35
Express 85% as a fraction in its lowest terms
17/20
Increase 56cm by 75%
98cm
In a concert audience of 275, 2/5 of the audience are women, 24% are men, 0.2 of the audience are girls and the remainder boys.
What fraction of the audience is men?
6/25
Find 35% of 120m
42m
Express 12.5% as a decimal
0.125
CALCULATOR ALLOWED
Find 7/12 of 186cm
108.5
A sculptor cuts 55% off of a piece of wood weighing 6600g. How much does the piece of wood cost now?
2970g
In a concert audience of 275, 2/5 of the audience are women, 24% are men, 0.2 of the audience are girls and the remainder boys.
What percentage of the audience is boys?
16%
CALCULATOR ALLOWED
Find 37.5% of 68kg
25.5 kg
Express 173% as a decimal
1.73
CALCULATOR ALLOWED
Find 3/5 of 27m
16.2
A shirt costs $67.50 at full price. During a sale, this shirt is discounted by 26%, and a further 5% if the customer chooses to pay cash. What would be the final price of the shirt if the customer pays cash? Round to 2d.p but don't round until the end of the question.
$67.50 x 0.26 = $17.55
$67.50 - $17.55 = $49.95
$49.95 x 0.05 = $2.4975
$49.95 - $2.4975 = $47.4525 = $47.45
In a concert audience of 275, 2/5 of the audience are women, 24% are men, 0.2 of the audience are girls and the remainder boys.
How many boys are there in the audience?
44
Express 6mm as a percentage of 3cm
20%
Express 16/93 as a decimal - correct to 2dp
0.17
Express 1.32 as a fraction in its lowest term
1 8/25
Anne earns $275 a week and is given a pay rise of 18%. Sara earns $315 a week and is given a pay rise of 5%. Who will be earning more after the pay rise, and by how much?
Anne - $49.50 + $275 = $324.50
Sara - $15.75 + $315 = $330.75
Sara earns more, by $6.25
In a concert audience of 275, 2/5 of the audience are women, 24% are men, 0.2 of the audience are girls and the remainder boys.
How many of the audience are female?
165