A prime number is a whole number that can be divided evenly by itself and by 1 but not by any other number. 2 is a prime number because its only factors are 1 and 2. 27 has factors of 1, 3, 9, and 27; 9 has factors of 1, 3, and 9; and 12 has factors of 1, 2, 3, 4, 6, and 12.
A man invested \(\$150\) in the stock market. During the first week, he lost \(\$45\). During the second week, he tripled his money. How much does he have at the end of the second week?
If a store adds 50 chairs to its current inventory, the total number of chairs will be the same as three-halves the current inventory of chairs. If the manager wants to increase the current inventory by 40%, what will the new inventory of chairs be?