math
posted by harpreet .
on january 1,1999,the price of gasoline was$1.39 per gallon .if the price of gasoline increased by 0.5%per month ,what was the was the cost of one gallon of gasoline,to the nearest cent,on january 1 one year later?

P = 1.39(1+0.005)^12 = $1.48.