Stephanie bought eighteen pens, some black and the rest blue, for $8.22. The blue pens cost $0.06 more than the black pens. The number of blue pens that she bought was as close as possible to the number of black pens that she bought. What was the price of the black pens?© BrainMass Inc. brainmass.com March 4, 2021, 6:16 pm ad1c9bdddf
Assume that the price of the black pens was $x. Then 'The blue pens cost $0.06 more than the black pens." tells the price of the blue ...
A system of equations application word problem is solved.