On a bus there are 35 passengers down stairs and 28 passengers upstairs. Find the ratio of passengers sitting upstairs and sitting downstairs.
If the bus has 81 seats altogether, find the ratio of occupied seats to empty seats.

Step-by-step explanation:

ratio of passengers sitting upstairs and sitting downstairs

=35:28

=5:4

ratio of occupied seats to empty seats;

occupied seats=35+28=63

empty seats=81-63=18

occupied seat to empty seat =63:18

7:2

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step-by-step explanation: