How much wrapping is needed for a package that is 4 in. wide, 7 in. high,and 15 in. long?

How much wrapping is needed for a package that is 4 in. wide, 7 in. high,
and 15 in. long?

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  1. L=15inB=4inH=7in

    [tex]\\ \rm\longmapsto TSA=2(LB+BH+LH)[/tex]

    [tex]\\ \rm\longmapsto TSA=2(14\times 4+4\times 7+15\times 7)[/tex]

    [tex]\\ \rm\longmapsto TSA=2(56+28+105[/tex]

    [tex]\\ \rm\longmapsto TSA=2(189)[/tex]

    [tex]\\ \rm\longmapsto TSA=378in^2[/tex]

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