Jackie rides her bike to work every day. For variety, she tries different routes
throughout the week. During one week, she rode a total of 13.4 miles. On
Tuesday she rode 2.7 miles. On Wednesday she rode 0.8 mile less than on
Tuesday. On Thursday she rode 1.3 miles more than on Wednesday. On Monday
and on Friday she rode the same route. How far did she ride on Monday?
(Hint: Organize your information)