Example 1: Guess, Check, and Revise

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Presentation transcript:

Example 1: Guess, Check, and Revise Main Idea Example 1: Guess, Check, and Revise Lesson Menu

Guess, check, and revise to solve problems. Main Idea/Vocabulary

Guess, Check, and Revise There are 58 passengers on an airline flight to Orlando. Passengers with first-class tickets paid $808 for their seats. Passengers with coach tickets paid $208 for their seats. The total amount of tickets paid for this flight was $15,664. How many tickets of each type were sold? Understand There are 58 passengers on the airline. The first-class tickets cost $808 and the coach tickets cost $208. Plan Make a guess and check to see if it is correct. If it is not, then revise. Example 1

Answer: So, 6 first-class tickets and 52 coach tickets were sold. Guess, Check, and Revise Solve Find the combination that gives a total of $15,664. In the list, f is the number of first-class tickets and c is the number of coach tickets sold. Answer: So, 6 first-class tickets and 52 coach tickets were sold. Check 6 + 52 = 58 and 808(6) + 208(52) = 15,664; the guess is correct.  Example 1

Javier downloaded a total of 12 songs and TV shows. The songs cost $0 Javier downloaded a total of 12 songs and TV shows. The songs cost $0.99 each and the TV shows cost $2.99 each. He paid a total of $17.88. How many songs and how many TV shows did he download? A. 3 songs and 9 TV shows B. 6 songs and 6 TV shows C. 9 songs and 3 TV shows D. 10 songs and 2 TV shows Example 1 CYP