6th Grade Math Textbook, Progress

Use the information to write an equation.

Tickets Tickets Tickets Total

sold 
 sold 
 sold  number sold

Friday Saturday Sunday all 3 days

52,200 
 58,400 
 n  165,100

110,600 
 n  165,100

You can solve the equation using the Guess

and Test strategy or by using a related equation.

Substitute 54,500 for the nin the equation

to test whether the equation is true.

110,600 
n165,100

110,600 
54,500 154,100 The answer checks.

Visualize yourself in the problem above as you

reread it. List the facts and the question.

Facts: tickets sold on Friday 52,200

tickets sold on Saturday 58,400

total tickets sold all 3 days 165,100

Question:How many tickets were sold on Sunday?

On Friday, 52,200 tickets were sold for a baseball

game. On Saturday, 58,400 tickets were sold. If

165,100 tickets were sold on Friday, Saturday, and

Sunday in total, how many tickets were sold on Sunday?

Problem-Solving Strategy:

Write an Equation

1-12

equation

110,600 
n165,100

Try 55,000. 110,600 
55,000165,600

Try 54,000. 110,600 
54,000164,600

Try 54,500. 110,600 
54,500165,100

There were 54,500 tickets sold on Sunday.

110,600 
n165,100

n165,100 110,600

n54,500

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