SOLUTION: A man ordered 4 times as many boxes of ballpoint pens as boxes of​ felt-tip pens. Ballpoint pens cost ​$4.45 per​ box, and​ felt-tip pens cost ​$3.42 If the​ man's ord

Algebra ->  Equations -> SOLUTION: A man ordered 4 times as many boxes of ballpoint pens as boxes of​ felt-tip pens. Ballpoint pens cost ​$4.45 per​ box, and​ felt-tip pens cost ​$3.42 If the​ man's ord      Log On


   

Question 1204747: A man ordered 4 times as many boxes of ballpoint pens as boxes of​ felt-tip pens. Ballpoint pens cost ​$4.45 per​ box, and​ felt-tip pens cost ​$3.42 If the​ man's order of pens totaled ​$84.88​, how many boxes of each type of pen did he​ buy?
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.

Let x be the number of felt-up pens boxes.

Then the number of other boxes is 4x, according to the problem.


Now write the money equation

    4.42*x + 4.45(4x) = 84.88  dollars.


Simplify and find x.


The rest is simple arithmetic to do.