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There are 90 people on an airplane. If only 30% of the passengers have carry-on luggage, find the number of passengers that do not have carry-on luggage.

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Final answer:

To calculate passengers without carry-on luggage, determine 30% of 90, which is 27, and subtract from the total, resulting in 63 passengers without carry-on luggage.

Step-by-step explanation:

To find the number of passengers that do not have carry-on luggage on an airplane with 90 people, where only 30% have carry-on luggage, we first need to determine how many passengers do have carry-on luggage. Since 30% of the passengers have carry-on luggage, we calculate 30% of 90 people:

  • 30% of 90 = 0.30 × 90 = 27 passengers

Now, to find the number of passengers without carry-on luggage, we subtract this number from the total number of passengers:

  • 90 total passengers - 27 passengers with carry-on luggage = 63 passengers without carry-on luggage

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