AlgebraEasyCost of one item from two purchases
Algebra practice question
Two muffins and a coffee cost $7. One muffin and a coffee cost $5. What is the cost of one muffin, in dollars?
Answer: 2
The difference between the purchases is one muffin: 7 − 5 = 2.
Common wrong answers
- If you answered 3
- 3 is the cost of the coffee.
- If you answered 5
- 5 is the second total.
- If you answered 3.5
- 3.5 halves the first total, ignoring the coffee.
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