need help with all three questions

Word problem on area involving conversions between systems A farmer has farmland that is a rectangle 4 ki long and 2.5 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 1 (b) The farmer wants to cover his farmland with dirt. He doesn't Note have any to begin with and he can't buy partial truckloads of For th dirt. Each truckload of dirt covers 0.9 mi . 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 $85.29, how much will he need to spend on dirt? Write your answer to the nearest cent. Explanation Check