Posted by **John Rapolli** on Wednesday, January 23, 2013 at 10:06pm.

Bill purchased 4 pens for $3.32, including $.16 sales tax. Find the cost of 1 pen.

I need this put into an equation with a variable.

- Pre-Algebra -
**Ms. Sue**, Wednesday, January 23, 2013 at 10:15pm
4p = 3.32 - 0.16

- Pre-Algebra -
**Gladys**, Thursday, March 5, 2015 at 7:03pm
0.79

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