In a function if 10 guests are sent from room A to B, the no of guests in room A are same. If 20 guests are sent from B to A. , the no of guests in A is double the no of guests in B. Find no of guests in both rooms in the beginning.

Asked by bis0584 | 30th May, 2015, 10:53: PM

Expert Answer:

L e t space t h e space n u m b e r space o f space g u e s t s space i n space r o o m space A space b e space apostrophe a apostrophe space a n d space n o. space o f space g u e s t s space i n space r o o m space B space b e space apostrophe b apostrophe. a minus 10 equals b plus 10 rightwards double arrow a minus b equals 20...... left parenthesis i right parenthesis  2 left parenthesis b minus 20 right parenthesis equals a plus 20 rightwards double arrow 2 b minus 40 equals a plus 20 rightwards double arrow a minus 2 b equals negative 60....... left parenthesis i i right parenthesis  left parenthesis i right parenthesis minus left parenthesis i i right parenthesis comma b equals 80 a equals b plus 20 equals 80 plus 20 equals 100  G u e s t s space i n space r o o m space A equals 100 G u e s t s space i n space r o o m space B equals 80

Answered by Prasenjit Paul | 31st May, 2015, 07:32: PM