It is: 79 minus 45 = 34
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Answer: 45% Work: 20 is decreased to 11 9 = D x 20 --- ---- 20 20 20 divided by 9 = .45 .45 as a percent = 45 %
A number decreased by 4 is n-4
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"Decreased by" just means "minus," so that's C-11.
6x - 7 = x + 38 Add '7' to both sides 6x = x + 45 Subtract 'x' from both sides 5x = 45 Divide both sides by '5' x = 9 The NUMBER !!!!!