Problema Solution
at a party,colas,squash and fruit juice were offered to guests.a fourth of the guest drank colas, a third drank squash, two fifth drank fruit juice and just three did not drink anything.how many guest in all?
Answer provided by our tutors
let totalof x guests .
then:
x/4 + x/3 + 2x/5 + 3 = x
solving we get x= 180