### Home > GB8I > Chapter 6 Unit 7 > Lesson INT1: 6.3.1 > Problem 6-87

6-87.

An item currently costing $

What is the multiplier?

The cost is increasing, so the multiplier will be greater than

. What will the item cost five years from now?

The original cost would be multiplied by

for the first year, an additional for the second year, an additional every year after that. $

Write an equation to calculate the cost in

years. What does each of the factors in your equation represent?Use the starting value and multiplier to write an equation of the form