Suppose that from the beginning of 2007 to the beginning of 2015 a country consumed gasoline at a rate of about q t 1 6t 141 billion gallons per year 0 sts 8 t is the number of years since 2007 During the same period the price of gasoline was approximately p t 3 5 2 38e 0 5 dollars per gallon Use an integral to estimate to the nearest 10 billion dollars the total spent on gasoline during the given period HINT Rate of spending billion