Question 1

A window cleaner uses the formula

C = 5w + 10

to work out the cost in pounds, where

w

is the number of windows. What is the total cost for cleaning

7

windows?

Accepted Answer

£45

Answer

£35

Answer

£105

Answer

£42

Question 2

What is the next number in the sequence 5, 10, 15, 20?

Accepted Answer

25

Answer

27

Answer

30

Answer

22

Question 3

Which rule describes the linear sequence that starts with the terms

C = 5w + 10

,

w

,

7

, and

21

?

Accepted Answer

Add 4 each time

Answer

Subtract 4 then

Answer

Add 3 each time

Answer

Multiply by 2

Question 4

A shopkeeper has a total of 50 apples. After selling some apples, which we will call

C = 5w + 10

, he has 12 apples left. Which algebraic equation represents this situation?

Accepted Answer

50 - a = 12

Answer

a - 50 = 12

Answer

50 = 12a

Answer

50 + a = 12

Question 5

If

C = 5w + 10

represents the length of a side of a square and the total perimeter is 24, which algebraic equation expresses this relationship?

Accepted Answer

4s = 24

Answer

s + 4 = 24

Answer

s^2 = 24

Answer

s ÷ 4 = 24

Question 6

A number is added to

C = 5w + 10

and the result is 15. Express this missing number problem algebraically.

Accepted Answer

15 - x

Answer

x + 15

Answer

x - 15

Answer

15 + x

Question 7

The perimeter of a square is calculated using the formula

C = 5w + 10

, where

w

represents the length of one side. What is the perimeter of a square when

7

cm?

Accepted Answer

48 cm

Answer

36 cm

Answer

16 cm

Answer

24 cm

Question 8

The formula to find the number of wheels on a group of cars is

C = 5w + 10

, where

w

is the number of cars. If there are

7

cars, how many wheels are there in total?

Accepted Answer

36 wheels

Answer

40 wheels

Answer

13 wheels

Answer

32 wheels

Question 9

The total number of stickers in a collection is calculated using the formula

C = 5w + 10

, where

w

is the number of packs bought. How many stickers are there if

7

?

Accepted Answer

50 stickers

Answer

15 stickers

Answer

90 stickers

Answer

45 stickers

Question 10

A shop uses the formula

C = 5w + 10

to calculate the total time in minutes for baking

w

loaves of bread. How many minutes will it take to bake

7

loaves of bread?

Accepted Answer

32 minutes

Answer

13 minutes

Answer

30 minutes

Answer

40 minutes

Question 11

The formula to calculate the number of eggs needed for

C = 5w + 10

cakes is

w

. How many eggs are required to make

7

cakes?

Accepted Answer

18 eggs

Answer

12 eggs

Answer

9 eggs

Answer

21 eggs

Related quizzes

Related quizzes