Asked by mini
3 friends A,B,C started a business investing rs 5000,10000,7500.A left the business after 6 months while C invested 5000 more after 6 months. A profit of 9000 earned at the end of the year.profit of C is ???
Answers
Answered by
Reiny
we don't know the rate, let it be r
A will get only 1/2 years interest
= (1/2)(r)(5000) = 2500r
B will get a full year on his 10,000 = 10000r
C will get 7500r + (1/2)(r)(5000) = 10000r
2500r + 10000r + 10000r = 9000
22500r = 9000
r = .4
so C will get 10,000(.4) = 4000
40% return ? not bad
A will get only 1/2 years interest
= (1/2)(r)(5000) = 2500r
B will get a full year on his 10,000 = 10000r
C will get 7500r + (1/2)(r)(5000) = 10000r
2500r + 10000r + 10000r = 9000
22500r = 9000
r = .4
so C will get 10,000(.4) = 4000
40% return ? not bad
Answered by
mini
How you got r=4???
22500r=9000
r=2/5 ???
22500r=9000
r=2/5 ???
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