Answer the question and write out an equation that will go with the problem:
Lance is an air-fighter pilot. He has to log 20 hours in the air during the work week and 10 hours over the weekend in order to keep his license. Over the last week, he logged 5 hours on each of the following days: Monday, Thursday, and Friday. The other two days he logged 5 hours together. Did me make his quota for the work week?