SOLUTION: Jona ordered pens over the internet for her class. Each pen costs Php 10.50 and the shipping fee for the entire order is Php 50. If she has no more than Php 150 to spend how many

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Jona ordered pens over the internet for her class. Each pen costs Php 10.50 and the shipping fee for the entire order is Php 50. If she has no more than Php 150 to spend how many       Log On


   

Question 1191511: Jona ordered pens over the internet for her class. Each pen costs Php 10.50 and the shipping
fee for the entire order is Php 50. If she has no more than Php 150 to spend how many pens
can she buy?
Answer by ikleyn(52802) About Me  (Show Source):
You can put this solution on YOUR website!
.
Jona ordered pens over the internet for her class. Each pen costs Php 10.50 and the shipping
fee for the entire order is Php 50. If she has no more than Php 150 to spend how many pens
can she buy?
~~~~~~~~~~~~~~~~~~~~~~~ 

You may start writing this inequality

    10.50x + 50 <= 150


and then you get the solution

    x <= %28150-50%29%2F10.50 = 9.53  (rounded).


Since x must be integer, it means that Jona can order at most 9 pens.

Solved.