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Leni [432]
3 years ago
10

An airplane has a total of 152 seats. the number of coach class seats is 5 more than six times the number of first class seats.

how many of each type of seat are there on the plane
Mathematics
1 answer:
horsena [70]3 years ago
8 0

Solution: Find the relationship between the coach class seat and the first class seat. Then solve for the unknown.

First class seat = x

Coach class seat = 6x + 5

x + 6x + 5 = 152

7x = 147

x = 21 <======== number of first class seats

6x + 5 = 6 x 21 + 5 = 131 <======== number of coach class seats

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