Problema Solution
At a party, Colas, squash and fruit juice were offered to the guests. One fourth of the guests drank cola, one third drank squash, two fifths drank fruit juice and 3 people did not drink anything. How many guests were there in the party?
Answer provided by our tutors
let x = the number of guests at the party
(1/4)x + (1/3)x + (2/5)x + 3 = x
by solving we find
x = 180 guests
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there were 180 guests at the party.