l. $?5 is ?2% of what amount? 2. Solve: 4x2y=l4 and 10x+?y=25 by elimination. 3. Solve the system -Sx+y=-2 and -3:It+6y=-12 graphically. 4. Solve the system graphically: y = 2x-5 and y = 2:: +7 5. Solve the system by substitution : 2x-3y = -l and y=x-l 6. A boat traveled 336 miles downstream and back. The trip downstream took l2 hours. The trip back took 14 hours. What is the speed of the boat in still water? What is the speed of the current? 7. Solve the system of equations by elimination: x + 4y = 18 2x + 5y = 24 8. What sum of money increased by l25% to $143? 9. John wants to pay off his student loan within the next 3 years. so he has increased his original weekly payment by 60%. His new payment is now $88 per week. How much was the original payment? IO. Solve for w: S={-?w+z)l(5w+x) ll. Julia invested a total of $24000 in two mutual funds. Her investment in the Equity Fund is $4000 less than three times her investment in the Bond Fund. How much did Julia invest in the Equity Fund? l2. Solve the system ofequations by elimination: x - 3y = -12 3x + y = -6 IS. A bicycle was sold for $292.50. The selling price included a l3% harmonized sales tax. Find the amount of HST on the bike. l4. Enrollment in the pre-health program dropped 40% in the summer semester to only 75 students. How many students were enrolled before the drop? IS. Solve by graphing: -3x+3y=4 and -x+y=3