Fractions
Write an equivalent fraction to the following with the denominator 20
3/10
6/20
Calculate
9.7-2.86
6.84
Find 20% of 200
40
GST is always what percentage in Australia?
10%
If 10% of an amount of money is $75. How much is 1% of that amount?
$7.50
Simplify the following fraction
25/15
5/3
Calculate
27.58 times 10000
275800
Conver 68% to a decimal
0.68
Find the new value when $160 is increased by 40%
160\times 40% = $64
$160 + $64 = $224
If 8% of an amount of money is $48, what is the full amount of money?
$600
Evaluate
5/3-3/4
11/12
Round the following decimal to 2 decimal places
78.9963
79.00
Express as a percentage
34 out of 40
34/40 times 100 = 85%
Find the cost of a $860 television that has been discounted by 25%
$860 \times 25% = $215
$860 - $215 = $645
Calculate the percentage change when $60 becomes $48
12/60 \times 100 = 20% loss
Evaluate
3 1/3 times 2 2/5
8
Calculate
2.57 x 3
7.71
Convert 55% to a fraction in its simplest form
55/100 = 11/20
If the original price (no GST) costs $150. What is the final price (including GST) of the item?
$165
If 11% of the food bill was $88. How much is 25% of the food bill?
$200
Evaluate
2 1/4 divide 1 1/3
27/16 = 1 11/16
Express the following fraction as a recurring decimal
2/3
0.6
Express 40 cents as a percentage of $8
40/800 = 1/20\times 100 = 5%
The final price (inc. GST) costs $8800. What is the GST and the original price (no GST) of the item?
Pre-GST = $8800 ÷ 1.1 = $8800 – $800 = $8000
A necklace in a jewellery store has been discounted by 20%. If the sale price is $240, what was the original price of the necklace?
$300