A farmer has farmland that is a rectangle 4.5 km long and 3 km wide.
He wants to completely cover the farmland in dirt.
He knows the area each truckload of dirt covers, but only in square miles.
(a) Find the area of the farmland in square miles. Do not round
intermediate computations and round your final answer to
two decimal places. Use the table of conversion facts, as
needed.
mi
(b) The farmer wants to cover his farmland with dirt. He doesn't
have any to begin with and he can't buy partial truckloads
of dirt. Each truckload of dirt covers 2.9 mi². How many
whole truckloads of dirt does the farmer need to buy to
completely cover his farmland?
truckloads
(c) If each truckload of dirt costs $75.36, how much will he
need to spend on dirt? Write your answer to the nearest
cent.
$0