Li earns $30 each week mowing lawns in her neighborhood. She puts 60% of her earnings into her savings account at the end of each month. How much money does Li deposit into her account each month? Show your work.

Li earns $30 each week mowing lawns. If there are 4 weeks in a month, then she earns 30 x 4 = $<<30*4=120>>120 in a month.

Li puts 60/100 x $120= $72 into her savings account each month. Answer: \boxed{72}.