Question 1042908
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At a party, colas , squash and fruit juice were offered to guests. A fourth of the guests drank colas , 
a third drank squash , two fifths drank fruit juice and just three did not drink anything. How many guests were there in all ?
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<pre>

x - 3 = {{{x/4 + x/3 + (2x)/5}}},

x - 3 = {{{(15x)/60 + (20x)/60 + (24x)/60}}},

x - 3 = {{{((15+20+24)x)/60}}} = {{{(59x)/60}}},

{{{x/60}}} = {{{3}}}  --->  x = 60*3 = 180.

<U>Answer</U>. 180 guests.
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