Write and solve an equation that represents the following: A number decreased by 12 is 24.

x - 24 = 12; x = 36

x - 12 = 24; x = 36

24 - 12 = x; x = 12

x + 12 = 24; x = 12

Your fuel expense for last year was $800.00. This year it was $960.00. What was your percent of increase? A. 20% B. 18% C. 15% D. 23%

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