Suppose Elena has $5 and sells pens for $1.50 each. Her goal is to save at least $20. Write an inequality to show the number of pens Elena needs to sell to reach her goal. Hint: You may need to use the "relationships" tab in the equation editor.

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project

Which graph represents the given linear function 4x+2y=3