# Percentages + time - math problems

#### Number of problems found: 83

- Exponential decay

A tank contains 55 liters of water. Water is flowing out at the rate of 7% per minute. How long does it take to drain the tank? - Precious metals

In 2006-2009, the value of precious metals changed rapidly. The data in the following table represent the total rate of return (in percentage) for platinum, gold, an silver from 2006 through 2009: Year Platinum Gold Silver 2009 62.7 25.0 56.8 2008 -41.3 4 - Elevator

In homes with more floor elevators are used. For passenger transport, the most commonly used traction elevator counterweight. The top of the shaft engine room with the engine. The car is suspended on a rope, which is guided up over two pulleys to the coun

We apologize, but in this category are not a lot of examples.

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Our percentage calculator will help you quickly calculate various typical tasks with percentages. Do you want to convert time units like minutes to seconds? Percentages Problems. Time - math word problems.