AlgebraEasy–MediumPrice of a juice from two orders
Algebra practice question
Two smoothies cost $9. Three of the same smoothies and one juice cost $16. What is the price, in dollars, of the juice?
Answer: 2.5 or 2.50
A smoothie costs $4.50, so three cost $13.50 and the juice costs 16 − 13.50 = $2.50.
Common wrong answers
- If you answered 7
- 7 subtracts 9 from 16 as if the orders differed by one juice.
- If you answered 4.5
- 4.5 is the price of a smoothie.
- If you answered 13.5
- 13.5 is the cost of three smoothies.
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