Problema Solution
20 books were sold at the bookfair 48 were returned if two fifths were returned how many were in the original shipment
Answer provided by our tutors
let 'x' represent the number of books in the original shipment
since (2/5)x were returned we have
(2/5)x = 48
by solving we find:
x = 120 books
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there were 120 books in the original shipment.