Problema Solution
A man ordered 5 times as many boxes of ballpoint pens as boxes of felt tip pens. Ballpoint pens cost $4.41 per box and felt-tip cost $3.41 If the man's order of pens totaled $76.38, how many boxes of each type of pen did he buy?
Answer provided by our tutors
Let
x = the number of boxes of felt tip pens
5x = the number of boxes of ballpoint pens
5x*4.41 + x*3.41 = 76.38
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click here to see the equation solved for x
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x = 3 boxes of felt tip pens
5x = 5*3 = 15 boxes of ballpoint pens
The man bought 3 boxes of felt tip pens and 15 boxes of ballpoint pens.