A manufacturing plant earned $80 per a man-hour of labor when it opened. Each year, the plant earns an additional 6% per man-hour.
Which expression gives the amount the plant earned per a man-hour of labor 3 years after it opened?
Choose 1
80+ (1+0.06)(1 +0.06)(1+0.06)
6 80(1 +0.06)(1 + 0.06)(1+0.06)
80+ 0.06 0.06 0.06
80 - 0.06 0.06 - 0.06