
Duncan M. answered 04/09/13
No Nonsense Vaccinated Math and Statistics Tutor (HS and College)
This question is somewhat unclear as Rachel points out, tho I suspect the answer is "$9" (nearest dollar). "$10" would be rounding to the nearest "tens of dollars".
Strictly speaking, "$9.00" is rounded to the nearest cent (penny). Rounding to the nearest dollar would be "$9".
DM.