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Q: When a number is decreased by 40 of itself itself the result is 54. What is the number?

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When 180 is decreased by 40% the result is 108.

When 40 is decreased by 30% the result is 28.

40

It can be.

Let that number be x. So we have, x - 0.3x = 28 0.7x = 28 7x = 280 x = 40 Check.

It is: 75 minus 40 = 35

x-40=36 , x=36+40 , x=76

Multiply 105 by .6 (60%) because if one subtracts 40% of something he/she is left with 60% of the number. 105 (.6)= 63

40% is 30, so decreasing by that amount would leave 45.

60 decreased by 40 is 20.

100% of any number is that number itself. So 100% of 40 is 40

40 x 40 = 1,600

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