A jet travels 1536 miles against a jetstream in 2 hours and 1916 miles with the jetstream in the same amount of time. What is the rate of the jet in still air and what is the rate of the jetstream?

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?