Question

Justin is getting cans of soda. It cost him $3 each week to advertise his business. He buys each can for $0.30 and sells each one for $1.00. Write an equation to model the amount of profit, p , Justin makes from selling x cans of soda in one week.

Answer 1

Loss per week is -$3
Profit per can is $1.00 - $0.30 which is $0.70

Therefore then equation is
p = 0.7x - 3