Mustafa and Diego both work as plumbers. Mustafa charges $150 to mak a service call plus $50 per hour. Diego charges $50 to make a service call plus $75 per hour. a) Write an equation to represent the cost (C) of hiring Mustafa for n hours.
b) Write an equation to represent the cost (C) of hiring Diego for n hours.
c) Today, they both worked the same number of hours and earned the same amount of money. How many hours did they work?

Efficient homemakers ltd. makes canvas wallets and leather wallets as part of a money-making project. for the canvas wallets, they need two yards of canvas and two yards of leather. for the leather wallets, they need four yards of leather and three yards of canvas. their production unit has purchased 44 yards of leather and 40 yards of canvas. let x be the number of leather wallets and y be the number of canvas wallets. draw the graph showing the feasible region to represent the number of the leather and canvas wallets that can be produced.