# Motion problems + simple proportion - practice problems

#### Number of problems found: 6

- Gears

The front gear on the bike has 32 teeth and the rear, on the wheel, has 12 teeth. How many times does the bike's rear-wheel turn if you turn the right pedal 30 times? What distance will you go if the circumference of the bicycle wheel is 250 cm? - Tourist

A tourist walked an average speed of 3.5 km/h route in 6 hours. Calculate how many hours he would have passed at an average speed of 5.5 km/h. - Bicycle gear

The pedal bicycle wheel has 56 teeth and a rear 20 gear tooth. How many times does the bicycle wheel turn when you make 20 turns of the pedal wheel? - Driver

I drive at an average speed of 70km/h, I drive 10 thousand km. How long did it take me? - Two boats

The sightseeing boat sailed at 25 km / h. The cruise takes 6 hours. How long does another boat sail at 60 km/h? - Driver

The driver of the supply car reckoned that at the average speed of 72 km/h arrives to the warehouse for 1 1/4 hours. After 30 km however unintentionally drove to the gas station and have ten minutes delay. At what average speed would have to go the rest o

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Motion problems - practice problems. Simple proportion - practice problems.