The answer is B. You divid the total (245) by the total spent each day (35). That should leave you with the amount of days (7). Then since it does not divid evenly between the two, you look at the problem and it tells you that lisa spent a day less. (Lisa=3 days, Dan=4) Then you multiply the total cost per day (35) by how many days Dan spent (4) and you get your total amount of money (140
