The profit of a factory is 20% more this year than last year . If this year profit is 24,000 what was last year profit ?

Asked by purnapadhan72 | 13th Nov, 2017, 06:40: PM

Expert Answer:

begin mathsize 16px style Let space the space last space year apostrophe straight s space profit space be space straight X.
Then comma space this space year apostrophe straight s space profit equals straight x plus 20 percent sign space of space straight x
Now comma space straight x plus 20 percent sign space of space straight x equals 24000
rightwards double arrow straight x plus 20 over 100 straight x equals 24000
rightwards double arrow straight x plus 1 fifth straight x equals 24000
rightwards double arrow fraction numerator 5 straight x plus straight x over denominator 5 end fraction equals 24000
rightwards double arrow 6 straight x equals 24000 cross times 5
rightwards double arrow straight x equals fraction numerator 24000 cross times 5 over denominator 6 end fraction equals 20000
Hence comma space last space year apostrophe straight s space profit space is space Rs. space 20 comma 000.
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Answered by Rashmi Khot | 28th Nov, 2017, 02:30: PM