Algebra practice question

Answer: 1.8 or 1.80 or 9/5

Adding the two orders gives 5 pencils and 5 pens for 9.00 dollars, so one pencil and one pen together cost 9.00/5 = 1.80.

Common wrong answers

If you answered 9

9.00 is the cost of five of each.

If you answered 0.5

0.50 is the pencil alone.

If you answered 1.3

1.30 is the pen alone.

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