A contractor is preparing a bid to install swimming pools at a new housing addition. The estimated

Question:

A contractor is preparing a bid to install swimming pools at a new housing addition. The estimated time to build the first pool is 35 hours. The contractor estimates an 85 percent learning rate, without using the computer.
a. How long do you estimate the time required to install the second pool?
b. How long do you estimate the time required to install the fourth pool?