Warm-up: Solve: 3x â 4 â 5x < 10 Simplify: A) -3 (x â 5) B) 2 (3x â 4) 18 December 15, 2010 HW: pg. 295 #21-30 Objective: SWBAT use unit rates to solve real world…
Section 4-1 Ratio and Proportion SPI 12F: select ratios and proportions to represent real-world problems SPI 41B: calculate rates involving cost per unit to determine best…