A college spends 40% of an individual's tuition on salaries and the remainder on other costs. If they spend $1,800 on other costs, how much is an individual's tuition?

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Math each whole number with a rational, exponential expression

In one month jillian made 36 local phone calls and 20 long-distance calls what was her ratio of local calls to long-distance calls for that month?