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

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

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

The total cost of 6 pens and 8 rubber is Rs.38. If a pen costs Rs. 4 more than a rubber, find the pr...

If the cost of 2 score pens is 280, then the cost of 2 dozen pens will be?

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

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

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...

Cost of 4 books and 5 pens is 32 and cost of 5 books and 4 pens is 31 then find the cost of 1 book...

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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