If the labor force is growing at a 3 percent rate and the efficiency of a unit of labor is growing at a 2 percent rate, then the number of effective workers is growing approximately at a rate of:

5%

Step-by-step explanation:

(labor force growing rate) +(efficiency of a unit of labor)  = effective workers growing rate

<=> 3%+ 2% = 5%

answer: the common difference is -0.10

saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney