Problema Solution
In one day a woman recieved 13 packages. Federal express delivered three times as many as airborne express., while ups delivered two fewer than airborne express. How many packages did each service deliver to her?
Answer provided by our tutors
Problem - Find the exact number of packages delivered by fedex,airborne and ups
letairborne delivered a then fedex delivered 3a and ups delivered a-2
so a+ 3a+ a-2 = 13 => a= 15/5 = 3
so ups delivered 1, airborne = 3 and fedex 9