Whars the correct answer

Question

ordered

3

times as many boxes of ballpoint pens as boxes of​ felt-tip pens. Ballpoint pens cost

​$4.34

per​ box, and​ felt-tip pens cost

​$3.43.

If the​ man's order of pens totaled

​$65.80​,

how many boxes of each type of pen did he​ buy?

Answer 1

B = 3F

B cost 434

F cost 343

434B + 343F = 6580

434(3F) + 343F = 6580

1302F + 343F = 6580

1645F = 6580

F = 6580/1645 = 4 boxes felt tip pens

B = 3F = 3(4) = 12 boxes of ball point pens

4.34(12) + 3.43(4) = 52.08 + 13.72 = $65.80