Plz help me with this its algebra one

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?

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top