Consider the task of finding 15\% of 6 hours:
Calculate the minutes in 6 hours.
Find 10\% of the answer for part (a).
Find 5\% of the answer for part (a).
Hence, find 15\% of 6 hours, in minutes.
Suppose we want to find 75\% of 28.
How many lots of 25\% are in 75\%?
What is 25\% of 28?
Find 75\% of 28.
Suppose we want to find 28\% of 175.
How many lots of 4\% are in 28\%?
What is 4\% of 175?
Find 28\% of 175.
Suppose we want to find 15\% of 160.
Write 15\% as a simplified fraction.
Find 15\% of 160.
Explain how you could find 35\% of \$280 without a calculator.
Find the following:
10\% of 90
20\% of 45
1\% of 900
2\% of 400
90\% of 20
7\% of 300
45\% of 200
60\% of 30
86\% of 5000
50\% of 5200
25\% of 120
80\% of 30
30\% of 6000
11\% of 5200
25\% of 140
Find the following:
50\% of 420 \text{ cm}
7\% of 30 \text{ kg}
700\% of 30 \text{ kg}
94\% of 4000 \text{ km}
Which is greater:
70\% of 30\quad or \quad 90\% of 18?
45\% of 180\quad or \quad7\% of 700?
Lisa scored 95\% on her Geography exam, which was marked out of 200. What was Lisa's actual mark out of 200?
A stadium can hold 5000 people. The stadium is 60\%full and 11\% of the audience are children.
How many people are there in the stadium?
How many children are there in the stadium?
Yuri is eating a box of cookies. The nutritional information states that each cookie contains 7\% of his recommended daily intake of sugar.
If his recommended daily intake of sugar is 37\,000\text{ mg}, how many milligrams of sugar does each cookie contain?