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1) Solve by the substitution method. 9x-8y=-22, 7x+38=y What is the solution of the system? The solution is__(-6,-4)___. 2) Solve by the substitution method. 6m+n=38, m-3n=19 What is the solution of the system? A) The solution is_(7,-4)__. or B) there is no solution. 3) Solve by the substitution method. 6x+9y=-33, -7x+y=50 What is the solution of the system. A) the solution is (-7,1) or B) there is no solution. 4) Solve by the substitution method. 5x+4y=-3, -6x+y=50 What is the solution of the system? A (-7,8) or B 5) the perimeter of a rectangle is 84m. The lenght is 3m more than twice the width. Find the dimensions. What is the lenght? __29_m (simplify answer), width = 13m 6) Hockey teams receive 2 points when they win and 1point when they tie. One season, a team won a championship with 58 points. They won 11 more games than they tied. How many wins did the team have? How many ties did they have? Win = 23 Tie =12 7)Solve by the elimination method. x+5y=17, -x+3y=-1 What is the solution of the system? A) The solution is__(7,2)_. B) There are infinitely many solutions., C) THere is no solutions. 8) Solve the system by the elimination method. 5x+3y=-13, 7x-2y=17 What is the solution of the system? A) the solution is _(25/31 ,- 176/31)__., B) There are infinitely many solutions, or C) There is no solutions. 9) Solve by the elimination method. 0.3x+-0.2y=4, 0.2x+0.3y=-23/19 What is the solution of the system? A, B, or C (same as the above) Solution is (2740/247,- 830/247) 10) Solve by the elimination method. 9x-9y=36, 7y-3x=-14 What is the solution of the system? A, B, or C (same as question 8's) Solution is (7/2 , - ½) 11) Solve by the elimination method. 0.05x+0.25y=44, 0.15x+0.05y=48 What is the solution of the system? A, B, or C (same as question 8's) Solution is (280,120) 12) The perimeter of a rectangle is 78". The lenght exceeds the width by 27 inches. Find the length and the width. The length is___33____inches and The width is_6____ inches. 13) The Everton College store paid $1940 for an order of 52 calculators. The store paid $9 for each scientific calculator. The others, all graphing calculators, cost the store $55 each. How many of each type of calculatof was ordered? The store ordered_20___scientific calculators and _32___graphing calculators. 14) Snookers Lumber can convert logs into either lumber or plywood. In a given day, the mill turns out three times as many units of plywood as lumber. It makes a profit of $30 on a unit of lumber and $45 on a unit of plywood. How manyof each units must be produced and sold in order to make a profit of $17160? Snookers Lumber must produce and sell__104____ units of lumber and _312____units of plywood to make a profit of $17160. 15)A disc jocky must play 16 commercial spots during 1hour of a radio show. Each commercial is either 30 seconds or 60 seconds long. If the total commercial time during 1 hour is 13 min. How many 30-second commercials were played that hour? How many 60-second commercials were played? 30- sec =6 60 – sec = 10 16) Soybean meal is 12% protein; cornmeal is 6% protein. How many pounds of each should be mixed together in order to get 240-pounds of mixture that is 8% protein? How many pounds of the cornmeal should be in a the mixture?  How many pounds of soybean meal should be in the mixture? Soybean= 80 pounds Cornmeal = 160 pounds 17) A student makes $8.75 purchases at the bookstore with a $20 bill. The store has no bills and gives the change in quarters and fifty cent pieces. There are 30 coins in all. How many of each kind are there? How many quarters are there in the change? How many fifty cent pieces?  Quarter = 15 Fifty cent = 15

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