a bicycle store costs $3850 per month to operate. the store pays an average of $40 per bike. the average selling price of each bicycle is $150. how many bicycles must the store sell each month to break even? .
(type a whole number)

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?

Solve for the equation x. 2x + 22 = 4(x + 3)