Posted by Lasse Zäll on October 20, 2002 at 16:20:09:
The costs for sales of popcorn can be expressed like this:
y=1,75x + 500
x is the number of popcorn cones
y is the total cost
500 is the cost for rental of the popcorn machine
How do I solve this math problem?
How can I draw a coordinate system as a graphic picture of the equation