SOLUTION: Bill bought 2 pens for $9.00. Which of the following equation shows the relation between the cost of pens, c, and the number of pens, x, bought? What will the cost of 10 pens be?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Bill bought 2 pens for $9.00. Which of the following equation shows the relation between the cost of pens, c, and the number of pens, x, bought? What will the cost of 10 pens be?       Log On


   

Question 386611: Bill bought 2 pens for $9.00. Which of the following equation shows the relation between the cost of pens, c, and the number of pens, x, bought? What will the cost of 10 pens be?
a) c=4.5x, $9
b) x=4.5c, $45
c) c=4.5x, $45
d) x=4.5c, $9
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Bill bought 2 pens for $9.00.  Each cost $4.50

 c = 4.5x      c = $4.50*10 = 45