During a research​ experiment, it was found that the number of bacteria in a culture grew at a rate proportional to its size. At ​5:00 AM there were 5,000 bacteria present in the culture. At​ noon, the number of bacteria grew to 6,100. How many bacteria will there be at​ midnight?

Answer is in the photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck!

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it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540