Guys me with this pl

on a road trip, sara’s brother drove 47.5% of the trip, and sara drove 80% of the remainder. if sara drove for 4 hours and 12 minutes, how long was the road trip?

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?

Is the square root of 4 plus the square root of 16 rational?

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists