Solving Applications : Systems of Three Equations

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Presentation transcript:

Solving Applications : Systems of Three Equations Section 8.5 Solving Applications : Systems of Three Equations

Example The sum of three numbers is 85. The second is 7 more than the first. The third is 2 more than four times the second. Find the numbers

Example Chick-fil-A recently sold 14-oz lemonades for $1.49 each, 20-oz lemonades for $1.69 each and 32-oz lemonades for $2.05 each. During a lunchtime rush, Chris sold 40 lemonades, using 6.25 gallons of lemonade while collecting a total of $67.40. How many drinks of each size were sold?

Homework Section 8.5 #6, 14, 17, 21