The common factors are: 1, 2, 4, 5, 10, 20.
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% decrease: = [(280-182)/280] x 100% = [98/280] x 100% =35%
% rate = 35% = 98/280 * 100% = 0.35 * 100% = 35%
Answer: 70% Solution Method 1: 1 - (84 / 280) = .7 .7 * 100 = 70% Check: 280 * .7 = 196 280 - 196 = 84 Solution Method 2: 280 - 84 = 196 196 / 280 = .7 .7 * 100 = 70% Check: 280 - (280 * .7) = 280 - 196 = 84 === Previous (incorrect) answer: 84/280=.33333 100-33.333=66.666 66.666% decrease you can check your work by multiplying 84 by 3 since .3333 is 1/3rd and you get 280
Multiply it by 100: 2.8*100 = 280%
Expressed as a percentage, 112/280 x 100 = 40 percent.