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An airplane has a total of 152 seats the number of coach-class seats 5 more than six times the number of first-class seats how many of each type of seats are there on the plane?

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j4cek
first class sits:
[tex]\dfrac{152-5}{6+1}=21[/tex]

coach class sits:
[tex]21\cdot 6+5=131[/tex]

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