Real World Applications: Phone Charges Health Club Fees Vacation Expenses (renting an airplane) Business (Teddy Bear sales) Business (Tote bag sales)

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Real World Applications: Phone Charges Health Club Fees Vacation Expenses (renting an airplane) Business (Teddy Bear sales) Business (Tote bag sales) INDEX

Phone Charges One telephone company charges \$16.95 per month and \$0.05 per minute for local calls. Another company charges \$22.95 per month and \$0.02 per minute for local calls. For what number of minutes of local calls per month is the cost of the plan the same? Need Help

Phone Charges…whats important? Plan A: One telephone company charges \$16.95 per month and \$0.05 per minute for local calls. Plan B: Another company charges \$22.95 per month and \$0.02 per minute for local calls. QUESTION: what number of minutes of local calls per month is the cost of the plan the same HINT… per means multiply Check your Answer

Phone Charges 16.95 + 0.05m = 22.95 + 0.02m -0.02m -0.02m 16.95 + 0.03m = 22.95 -16.95 -16.95 0.03m = 6.00 0.03 0.03 m = 200 minutes Return to Index

Health Club Fees One health club charges a \$44 sign-up fee and \$30 per month. Another health club charges a \$99 sign-up fee and \$25 per month. For what number of months is the cost the same? Need Help

Health Club Fees Club A: \$44 sign-up fee + \$30 per month Club B: \$99 sign-up fee + \$25 per month QUESTION: # minutes cost A = cost B 44 + 30m = 99 + 25m m = 11 months Return to Index

Flying You and a pilot friend decide to rent an airplane to do some sightseeing. One service charges \$100 plus \$80 per hour, while another charges \$250 plus \$70 per hour for the same airplane. At what number of hours is the cost the same? Need Help

Flying Plane A: \$100 + \$80 per hour Plane B: \$250 + \$70 per hour QUESTION: number hours Plane A = Plane B 100 + 80h = 250 + 70h h = 15 hours Return to Index

Business (teddy bears) A toy company spends \$1500 each day for factory expenses plus \$8 per teddy bear. Each teddy bear sells for \$12. How many bears must the company sell in one day to break even? Need Help

Business (teddy bears) expenses: \$1500 + \$8 per bear revenue: \$12 per bear QUESTION: break even… expenses = revenue 1500 + 8b = 12b b = 375 teddy bears Return to Index

Business (tote bags) A company manufactures tote bags. The company spends \$1200 each day for overhead expenses plus \$9 per tote bag for labor and materials. The tote bags sell for \$25 each. How many tote bags must the company sell each day to break even? Need Help

Business (tote bags) expenses: \$1200 + \$9 per bag revenue: \$25 per bag QUESTION: break even… expenses = revenue 1200 + 9b = 25b b = 75 tote bags Return to Index

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