Diragio lawn care cuts 42 lawns every week. Each lawn uses 3/16 of a tank of gas when it's cut(on average). Part A: if the lawnmower has no gas at the start of the week, how many times would it have to be completely filled filled during the week? Show your work. Part B the cost for a full tank of gas in the lawnmower is $20. How much does it cost (in lawn mower fuel only) to mow one average lawn? Show your work.