Warm-up Tuesday, August 15th A landscaping company charges $100 plus $15 per hour. Another landscaping company charges $75 plus $17 per hour. How long is a job that costs the same no matter which company is used? A job that costs the same no matter which company is used is 12.5 hours.

Warm-up Tuesday, August 15th KEY

Practice # 1 GOLF For an annual membership fee of $500, Mr. Bailey can join a country club that would allow him to play a round of golf for $35. Without the membership, the country club charges $55 for each round of golf. How many rounds of golf would Mr. Bailey have to play for the cost to be the same with and without a membership? 35x + $500 = $55x + 0 Mr. Bailey would have to play 25 rounds of golf for the cost to be the same as a membership.

Practice # 2 6x – 1 = 4x - 5 x = -2 1 solution

Infinite solutions, many solutions or all real #’ Practice # 3 6(x – 3) + 10 = 2(3x -4) 6x = 6x Infinite solutions, many solutions or all real #’

Practice # 4 8(4 – 2x ) = 4 (3 – 5x) = 4x 32 = 12 – False No solution