a number is increased by 20% and the number now is 2400 what is the previous number?
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Answer:
let the no. is =X
increased by 20% so X+ X 20/100 =2400
=>X+ X/5 = 2400
=> 5x+X/5= 2400
6x = 2400×5
X= 2400×5/6
X=2000
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