A school-bus is dropping students off after school. When the bus left the school, there were 40 students on the bus, and now there are 16. What is the
percent decrease from the start of the ride to now?

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?

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost