Question
A pen cost $1.50. A file cost $13.50 more than the pen. Cathy spent $168 on such pens and files. She bought four times as many pens as files.
  1. How many files did Cathy buy?
  2. How much money did Cathy spend on the pens? 
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

A pen cost $1.50. A file cost $13.50 more than the pen. Cathy spent $168 on such pens and files. She bought four times as many pens as files.
  1. How many files did Cathy buy?
  2. How much money did Cathy spend on the pens?