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A national event has a total of 500 seats. If 80% of the seats are filled, how m
A national event has a total of 500 seats. If 80% of the seats are filled, how many seats are empty? (2021)
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A national event has a total of 500 seats. If 80% of the seats are filled, how many seats are empty? (2021)
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Number of empty seats = Total seats - Filled seats = 500 - (80% of 500) = 500 - 400 = 100.
Questions & Step-by-step Solutions
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Q
Q: A national event has a total of 500 seats. If 80% of the seats are filled, how many seats are empty? (2021)
Solution:
Number of empty seats = Total seats - Filled seats = 500 - (80% of 500) = 500 - 400 = 100.
Steps: 5
Show Steps
Step 1: Identify the total number of seats, which is 500.
Step 2: Calculate 80% of the total seats. To do this, multiply 500 by 0.8 (which is the decimal form of 80%).
Step 3: Perform the multiplication: 500 * 0.8 = 400. This means 400 seats are filled.
Step 4: To find the number of empty seats, subtract the number of filled seats from the total number of seats: 500 - 400.
Step 5: Perform the subtraction: 500 - 400 = 100. This means there are 100 empty seats.
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