Asked by franklin
                The volume of a rectangular slab of concrete needs to exceed 72 cu. ft. If the length is 12 feet and the width is 8 feet, how thick does the concrete slab need to be? 
            
            
        Answers
                    Answered by
            bobpursley
            
    12*8*thickness>72
    
                    Answered by
            franklin
            
    would I replace the word "thickness" with 96? 12*8*96 > 72?
    
                    Answered by
            Ms. Sue
            
    (12 * 8)t = 72
96t = 72
t = 72/96
t = 0.75 inches
    
96t = 72
t = 72/96
t = 0.75 inches
                    Answered by
            Steve
            
    9” not .75” its cubic feet not cubic inches.
    
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