Fractions + velocity - practice problems
Number of problems found: 87
- The restaurant
The restaurant is 3/8 miles from the office. She makes the walk in 7 1/2 minutes. At the same rate, how long will it take her to walk the two miles from her home to her office? - It takes 2
It takes 7 1/5 seconds for a jet to fly 1 km. How long does it take for this jet to fly 3/4 of a km? - Janet
Janet walks 7/10 miles in 1/4 hour. Ian walks 9/10 miles in 1/3 hour; who walks at the faster rate and why? - Ronaldo
Ronaldo drove 75 3/5 km in 4 1/2 hours. What was the average speed?
- Peter 16
Peter travels to his uncle's home, 30 km away from his place. He cycles for 2/3 of the journey before the cycle develops a mechanical problem, and he has to push it for the rest of the journey. If he is cycling 10 km per hour faster than his walking speed - An airplane 3
An airplane descends at a rate of 2,700 feet per minute. Once the airplane starts its descent, what will be its elevation, in feet, after 3 1/5 minutes? - Doug biked
Doug biked 5 1/4 miles in 3/4 of an hour. What is his average speed? - Francesca
Francesca is growing 1/2 inch each year. How many years will it take for her to grow 6 inches? - Cyclist
A cyclist passes 64 km in 4 hours. How many kilometers did he pass in 7 hours?
- Rate 3
A liquid is heated at a rate of 5 degrees Celsius per minute. If the temperature now is at 39 degrees Celsius, how long will the temperature be by 94 degrees Celsius? - Products 64374
The machine will produce 5,600 products in 7 hours. How many products will they make in 8 hours? - Through 4045
We should fill the water tank with a volume of 100 hl to 2/3 of the volume. How long does the filling take if 2.5 l of water per second flows through the hose? - Performance 7682
They produced 8,892 cans in the production hall. Their performance is in the ratio 11:12:13. Which workshop was the hardest, and how many cans did it make? - Gear wheels
Two gear wheels, which fit together, have the number of teeth z1=117 and z2=70. Calculate the speed of the first wheel if the second wheel rotates 582 revolutions per minute.
- Washer
The washing machine drum washes at 71 RPM. The washing machine motor pulley has a diameter of 8 cm. What must be the diameter of the drum machine pulley when the motor is at 351 RPM? - Doubling
The message is spreading that each day has doubled the number of people who know about it. All know a message for 20 days. How long known it, eighth people? - Hands
The clock shows 12 hours. After how many minutes will the angle be between the hour and minute hand 90°? Consider the continuous movement of both hands for hours. - The fastest
The fastest boat can reach speeds more than 710% as fast as the Queen Mary 2. How would you express this number as a fraction and as a decimal? - Unit rate
Find unit rate: 6,840 customers in 45 days
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