at a teetotal party.

one fifth of the guests had tea and coffee.two thirds refused coffee.half refused tea.and 11 of the guests went dry.

how many guests attended the party?

can you solve the query please thank you john

Solution:

There are x guests

(1/3)x+(1/2)x-(1/5)x +11 =x

x=30

So There are 30 guests