When in a car driving at 75 mph, how long will it take you to travel 50 miles?

It took a salmon 45 seconds to swim upstream to a certain spot. The salmon then turned around to swim with the current and arrived at its starting place in 17 seconds. If the current in that part of the stream is 0.43 meters per second, what was the speed of the salmon?

Sam left his house heading east and his brother left two hours later heading west at a rate 5 mph faster than Sam. Six hours after Sam left, he and his brother were 600 miles apart. How fast was Sam traveling?

If Bill was traveling v mi/h, how would you represent Daemon's speed in mi/h if he was traveling 50 mi/h faster?

To get to work, Santa jogs 3 km to the train and then rides the remaining 5 km. If the train goes 40 km per hour faster than Santa's constant rate of jogging and the entire trip takes 30 minutes, how fast does Santa jog?

A kayaker paddled 5 km upstream against the current then turned around and travelled 8 km downstream with the current. If the speed of the current was 1 km/hr and the upstream trip took 60 minutes longer, what was the speed of the kayaker without the speed of the current?

If you drive 154 miles and use 11 gallons of gas, what is your rate of gas consumption?

How long will it take to count 1 million USD at the rate of 8 hours per day? 1 USD = 1 second.

A man can drive a motorboat 64 miles down the Colorado River in the same amount of time that he can drive 16 miles upstream. Find the speed of the current if the speed of the boat is 10 mph in still water.

In a 16 km cross-country ski race Brett skied the first 7 km at a constant speed and then increased his speed by 3 km/h for the last 9 km. If he finished the entire race in 1 hour and 20 minutes, what was his speed for the first 7 km?