Sam earned $5 on Monday, On each following day, through Friday, she earned 1 more dollar than the preceding day. What was the mean earnings for the five day period, Monday through Friday?

Do the math. she originally had 50 dollars on her gift card and she had 12 dollars left on her gift card after she finished her shopping spree. if you subtract 50 minus 12 you get thirty eight dollars as your answer. so therefore, ciara spent 38 dollars total o