The answer is: 2 ⅘ (hours; "h").
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Explanation:
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(1.25) x = 3.5 ; Solve for "x" .
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Divide EACH SIDE of the equation by "(1.25)" ; to isolate "x" on one side of the equation; and to solve for "x" ;
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(1.25)x / 1.25 = 3.5 / 1.25 ;
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to get:
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x = 2.8 ; (or, "2 and 8/10") ;
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which equals: "2 and 4/5" , "2 4/5"; or, " 2 ⅘ " .
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