CSPA Numeracy: Numbers and Algebra Questions and Answers

Question 1

A printing company charges a flat fee of $15 to set up a design, plus $2.50 for each t-shirt printed. Which of the following expressions represents the total cost (C) to print 'n' t-shirts?

Accepted Answer

C = 15 + 2.50n

Answer

C = 15n + 2.50

Answer

C = (15 + 2.50)n

Answer

C = 15 - 2.50n

Question 2

A caterer is preparing a fruit salad. The recipe requires 3 apples for every 2 oranges. If the caterer uses 18 apples, how many oranges will be needed?

Accepted Answer

12

Answer

27

Answer

17

Answer

18

Question 3

An electrician charges a $50 call-out fee and then $75 per hour for labour. If the total bill was $275, how many hours of labour were charged?

Accepted Answer

3 hours

Answer

4 hours

Answer

4.3 hours

Answer

3.5 hours

Question 4

Evaluate the expression 5x - 3y if x = 4 and y = 2.

Accepted Answer

14

Answer

11

Answer

4

Answer

26

Question 5

A courier service charges for parcels based on the formula: Cost = $5.00 + $1.50w, where 'w' is the weight of the parcel in kilograms. What is the cost to send a parcel that weighs 6 kilograms?

Accepted Answer

$14.00

Answer

$9.00

Answer

$31.50

Answer

$11.50

Question 6

Which of the following numbers is the result of the calculation 10 + 4 × (5 - 2)?

Accepted Answer

22

Answer

42

Answer

19

Answer

30