80-80*20%=64
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To find the number that is 20 percent greater than 60, we can set up the equation: x - 0.20x = 60. Simplifying this equation, we get 0.80x = 60. Dividing both sides by 0.80, we find x = 75. Therefore, 75 is the number that is 20 percent greater than 60.
The number that 30 is ten less than is 40. Half that is 20. So the question becomes "what number is as much more than 10 is less than 20". This is gobbledygook, but if I rephrase to say "what number is as much more than 10 than 10 is less than 20", then since10 is less than 20 by 10, I guess 20.
80% less than 90 = 20% of 90 = 18
1 fifth is 20 percent less than 1 fourth.
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