Keith exercises x hours a week. troy exercises three hours less than keith and joe exercises two times more than troy. which expression represents the amount of time joe exercises?
a)
2(3x)
b)
2x - 3
c)
2x + 3
d)
2(x - 3)

If you would like to know which expression represents the amount of time Joe exercises, you can calculate this using the following steps:

Keith ... x hours a week
Troy ... three hours less than Keith: x - 3
Joe ... two times more than Troy: 2 * (x - 3)

The correct result would be D) 2 * (x - 3).