A town's population increased by 1200 people‚ and then this new population decreased 11%. The town now had 32 less people than it did before the 1200 increase.. Find the original population now had 32

Asked by gopi.pappu9 | 16th Sep, 2020, 02:55: PM

Expert Answer:

Let the original population be P
The increased population will be P+1200
Now, the population is decreased by 11%, so be comes 32 less than the original population which is P - 32
rightwards double arrow straight P minus 32 equals straight P plus 1200 minus 11 percent sign space of space open parentheses straight P plus 1200 close parentheses
rightwards double arrow straight P minus 32 equals straight P plus 1200 minus 11 over 100 cross times open parentheses straight P plus 1200 close parentheses
rightwards double arrow negative 1232 equals negative 11 over 100 cross times open parentheses straight P plus 1200 close parentheses
rightwards double arrow 11 over 100 cross times open parentheses straight P plus 1200 close parentheses equals 1232
rightwards double arrow straight P plus 1200 equals fraction numerator 1232 cross times 100 over denominator 11 end fraction equals 11200
straight P equals 10000

Answered by Renu Varma | 18th Sep, 2020, 12:14: PM