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Q: When a number is decreased by 30 percent of itself the result is 28?

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When 25 is decreased by 20% the result 20.

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

176

40

20

60.8

120

It can be.

190

When 20% of 60 is taken away from it, you get 48.

31

128 = N - 0.20N; 128 = .80N; N = 160

The number is 94 because 94 minus 40 = 54

198 decreased by 1.5 percent = 195.03

the result will be zero

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

to get the answer, divide 152 by 4 and then multiply by 5, so 152 divided by 4 = 38 38 x 5 = 190

The final result is 10.4% more than the original number.

88

Let the number be x and so if x-20 = 32 then x = 52

Let x be the unknown. Given: x * (1 - 0.75) = 52 Procedure: rearranging the equation, we get x = 52 / 0.25 = 208. Q.E.D. =====================

When 3 times a number is decreased by 4 the result is 17. what is the number?

212 decreased by 28 percent = 152.64212 decreased by 28 percent= 212 - (28% * 212)= 212 - (0.28 * 212)= 212 - 59.36= 152.64

15% decrease of 320

28 decreased by 25 percent = 21= 28 - (25% * 28)= 28 - (0.25 * 28)= 28 - 7= 21