Mitch is buying candy bars for his friends. he wants to give 2 bars to each friend , and he wants to have 10 spare bares. he can afford to buy 36 candy bars. what is the algebraic sentence that will him figure out how many friends he can treat

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?