AlgebraEasyEquation for pencils and pens in a pack
Algebra practice question
A pack contains p pencils and q pens, and there are 12 items in the pack altogether. Which equation represents this?
- A. p + q = 12Correct
- B. p − q = 12
- C. pq = 12
- D. p = 12q
Answer: A. p + q = 12
The two counts add to 12.
Why the other answers are wrong
- B. p − q = 12
- A difference, not a total.
- C. pq = 12
- A product, not a total.
- D. p = 12q
- A proportion, not a total.
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