How do i illustrate a time elapse word problem.
person left at 8am arrived at destination at 5: 30 pm. stopped for lunch for 50 minutes at 11: 45 am. how long was person driving?

15. jiovanni is looking in to two different companies that offer study guides for math exams.test prep 101 charges a $5 flat fee and an additional $0.25 per problem.math charges a $2 flat fee and an additional $0.50 per problem.how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {