Use normal algebra skills and bring down inequality symbol

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Presentation transcript:

Use normal algebra skills and bring down inequality symbol To solve inequalities using addition and subtraction: REMEMBER! Solve each inequality. Graph and check your solution. Addition Property of Inequality: 1. 2. Subtraction Property of Inequality: 3. 4. x needs to be on the left to graph Add the same value to each side of an inequality Subtract the same value from each side of an inequality

5. Your baseball team has a goal to collect at least 160 blankets Define a variable and write an inequality from the scenarios below to solve the problem. 5. Your baseball team has a goal to collect at least 160 blankets for a shelter. Team members brought 42 blankets on Monday and 65 blankets on Wednesday. How many blankets must the team donate on Friday to make or exceed their goal? 6. The maximum safe load of a chairlift going up a mountain is 680 lbs. Sam weighs 124 lbs and his bike weighs 32 lbs. How much additional weight can the chairlift safely carry up the mountain? 7. Carmen has saved $2000 for a vacation. Her airline ticket was $758. How much money does she have to spend on everything else?