Write a system of equations to describe the situation below, solve using substitution, and fill in the blanks. eli and danny met for dinner in downtown newberg. eli did flat-rate valet parking for $10. danny went to another valet and paid $4 up front and $2 for every hour, including the first hour. ultimately, the friends ended up paying the same amount. how much did each one pay? how long did they stay? eli and danny both ended up paying $ for hours of parking.