SOLUTION: James buys 4 pens and 3 notebooks for $19. A notebook is 50c more expensive than a pen. a) Let the cost of pen be p Create an algebraic equation in terms of p for the cost of t

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: James buys 4 pens and 3 notebooks for $19. A notebook is 50c more expensive than a pen. a) Let the cost of pen be p Create an algebraic equation in terms of p for the cost of t      Log On


   

Question 919052: James buys 4 pens and 3 notebooks for $19. A notebook is 50c more expensive than a pen.
a) Let the cost of pen be p
Create an algebraic equation in terms of p for the cost of the notebooks and pens.
b) Solve you equation to find the cost of a pen
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
4p + 3n = 19 n+=p+%2B.50
4p + 3(p + .50) = $19
7p = $19 - $1.50
7p = $17.50
p = $2.50, cost of a pen
............
And...checking ( n = $3.00)
4p + 3n = 19
$10 + $9 = $19