With a tax of $4,000 on $20,000 of income and $6,000 on $30,000 of
income, the average tax rate is?

OK

Explanation:

With a tax of $4,000 on $20,000 of income and $6,000 on $30,000 of income, the average tax rate is:A) Constant at 10 percentB) Lower than the marginal tax ...

don't use it that much

answer(b); ; ; the quantitative or qualitative variable for which the experimenter wishes to determine how its value is affected by the explanatory variable;