The checkout has one more question.
Prices, change, and offers with the details left in.
Ten questions, with the answers explained. Try them in your head, then open each answer when you're ready.
Play this quiz →QUESTION 1 / 10
Three notebooks cost $4 each. You pay $20. What change do you get?
- $6
- $12
- $4
- $8
Show answer & explanation+
$8
Three times four is twelve, leaving eight dollars from twenty.
QUESTION 2 / 10
A $50 bag is reduced by 20%. What is its sale price before tax?
- $40
- $48
- $30
- $45
Show answer & explanation+
$40
Twenty percent of fifty is ten, so the sale price is forty dollars.
QUESTION 3 / 10
Two identical mugs cost $18 together. What do five mugs cost at the same unit price?
- $45
- $54
- $36
- $40
Show answer & explanation+
$45
Each mug costs nine dollars. Five cost forty-five dollars.
QUESTION 4 / 10
An offer says buy two, get one free. Each item is $6. What do three cost before tax?
- $12
- $18
- $6
- $15
Show answer & explanation+
$12
You pay for two items, so two times six gives twelve dollars.
QUESTION 5 / 10
Which is cheaper per apple: six for $3 or four for $2?
- Six for $3
- They cost the same per apple
- It cannot be calculated
- Four for $2
Show answer & explanation+
They cost the same per apple
Both offers work out to fifty cents per apple.
QUESTION 6 / 10
A $100 price rises by 10%, then falls by 10% of the new price. What is it now?
- $101
- $100
- $90
- $99
Show answer & explanation+
$99
The price becomes $110, then loses $11, leaving $99.
QUESTION 7 / 10
You have $15. A sandwich is $7 and a drink is $3. How much remains after buying both?
- $3
- $7
- $8
- $5
Show answer & explanation+
$5
The total is ten dollars, leaving five.
QUESTION 8 / 10
Four tickets cost $28 altogether. What would two cost at the same rate?
- $14
- $16
- $7
- $12
Show answer & explanation+
$14
Two tickets are half of four, so they cost half of twenty-eight dollars.
QUESTION 9 / 10
A shop sells pens in packs of five. You need at least twelve pens. What is the fewest packs to buy?
- Two
- Three
- Five
- Four
Show answer & explanation+
Three
Two packs give only ten pens. Three packs give fifteen.
QUESTION 10 / 10
A gift costs $24. Three friends split it equally. What does each pay?
- $6
- $9
- $8
- $12
Show answer & explanation+
$8
Twenty-four divided by three is eight.