If the cost of 2 score pens is 280, then the cost of 2 dozen pe...

A pack of 7 pens cost $6 . A pack of 9 files cost $12. Fred wants to buy an equal number of pens and...

8 pens cost $4 more than 8 pencils. Harry paid $8 for 4 pens and 4 pencils. What was the cost of a p...

4 pencils and 5 pens cost $2.00; 3 pencils and 4 pens cost $1.58. Write out a system of equations t...

A pack of 6 pens cost $30. A pack of 8 files cost $24. A student wants to buy an equal number of pen...

If 6 pens cost d dollars, how much, in dollars does each cost.

the total cost of 5 pens and 10 pens is 30 . of pen cost 3 more than the pencil . find the cost of...

If 13 pens cost £27.30,how much will 30 pens cost?

The cost for a pack of 16 pens is $3.68. Find the unit price in dollars per pen. Round to nearest ce...

Four pens cost $2 less than two markers. Three pens and nine markers cost $54. Find the cost of each...

Ballpoint pens cost $1.50 a dozen for the first 200 dozen a store buys from a wholesaler and $1.25 a...

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