Your new computer cost $2,000 but it depreciates in value by about 20% each year write an equation that would indicate the value of the computer at t years. how much will your computer be in 4 years.

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.