F/D/P
What is 3/8 as a percentage?
37.5%
Find 80% of 56.
44.8
Find the cost of a $600 TV discounted by 20%.
$480
Simplify the ratio 0.5:2
1:4
5832cm3
Convert 8/25 to a decimal.
0.32
Express 17 as a percentage of 30.
56.6% (recurring)
A $30 shirt was on sale for 25% off. It then had a price mark up of 40%. What was the final price?
$31.50
Simplify the ratio 3/5:1/2:
6:5
Factorise this expression:
2x2+8xy+18x
2x(x+4y+9)
What is 0.72 as a simplified fraction?
18/25
Max scored 33/38 on his maths test and 16/21 on his science test. Which test did he score higher on and by what percent?
Maths by 10.65%
Kevin estimated the population of his town to be 5000 people, with a 3% error. What is the largest and smallest amount the population could be?
5150 or 4850
Divide $75 into the ratio 3:5
$28.13:$46.88
State the gradient and y-intercept of the expression:
x=0.5(y+3)
y int = -3, gradient = 2
Find 30% of 2/5.
12% or 0.12 or 3/25
Calculate the cost of a hairdryer selling for $77 in store, before GST was added.
$70
Grace had $700 in her bank account, earning interest. At the end of the month, she had $712. What percentage is her interest rate to 1d.p?
1.7%
The ratio of adults:children in a childcare centre is 1:4. If there are 13 children, what is the minimum number of adults needed?
4
If 3a+6 is negative and 10-2a is positive, what are the possible values of a?
Hint: think back to linear inequalities
-1,0,1,2,3,4
X and Y are numerical digits/ Convert XY% into a fraction.
XY/100
21 is what percent of thirty-five thousandths?
600%
A t-shirt is marked down by 8% of its current selling price each week for 3 weeks. What is the total percentage reduction to the closest whole number?
22%
The ratio of the cost of a shirt to a jacket is 2:8. If the jacket costs $240 more than the shirt, what is the price of each item?
Shirt = $80, jacket = $320
The average of a set of 3 whole numbers is 27. When one more number is added, the average increases to 29. What number was added?
35