For a field trip 3 students rode in cars and the rest of the students filled 9 school buses. How many students were in each bus if a total of 472 students were on the trip? ( Let x be the variable for the number of students that road each bus.)

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?