A tank can be filled in 60 minutes and drained in 90 minutes. how long would it take to fill the tank if the drain were accidentally left open while the tank was being filled?

A wise man once said, "400 reduced by 4 times my age is 180." What is his age?

A drawer contains 8 red shirts, 6 blue shirts, and 7 white shirts. If a shirt is drawn at random, what is the probability that the shirt will be blue?

8.1. AP-6 What is the value of x? x=1 (Simplify your answer. Type an exact answer, using radicals as needed.)

What is pathagrien therom

Suppose the number of eggs used in exercise 4 is 3 eggs for each batch of 12 muffins, and 48 eggs are used. Howmany batches and howmany muffins will be made

The ratio of zebras to elephants at the zoo is 6:5. The ratio of Gorillaz two zeros is 7:2. There are 30 zebras at the zoo. How many elephants are there? How many gorillas are there

A telephone number consists of seven digits, the first three representing the exchange. how many different telephone numbers are possible within the 537 exchange? the answer is.

Kenny's weight is 6/7 times Melvin's weight. How many times the total weight of the two boys in Kenny's weight?

The area of a semicircle is 2 times the area of a circle. True or False?

Zeus Industries bought a computer for $2754. It is expected to depreciate at a rate of 27% per year. What will the value of the computer be in 4 years?