Acargo plane flew from the us across the atlantic at 212 mph, and flew back to the us at 232 mph. given that the first trip took two hours longer, how long was the return trip?

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.