If you multiply a number by 0.8, the result is 20% less than the original number.
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You can't.A mixed number is a whole number plus a fraction.20 percent is less than 1, so there can't be any whole number.
Subtracting 20 percent from 121 gives 121 x (1 - (20/100)) = 121 x 0.8 = 96.8.
20 / 0.2 = 100. Therefore, the number that 20 is 20 percent of, is 100.
35 percent is less than 1 so the only way to express it as a mixed number is to write it as 035/100 = 07/20
20 percent less of 298 rupees would be 238.40 rupees.