write and solve an equation to find the width of a box if its volume is 96 cubic centimeters, the length is 6 and the height is 4. then find its surface area

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asked Apr 9, 2015 56.3k views

3 votes

write and solve an equation to find the width of a box if its volume is 96 cubic centimeters, the length is 6 and the height is 4. then find its surface area

Mathematics
middle-school

Digaomatias asked

by Digaomatias

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1 Answer

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$V=w* l* h\\\\V=96cm^3;\ l=6cm;\ h=4cm;\ l=?\\\\w* 6*4=96\\24w=96\ \ \ \ |divide\ both\ sides\ by\ 24\\w=4\ (cm)\\\\Surface\ area:A_S=2* (w* l+w* h+l* h)\\\\A_S=2* (4* 6+4* 4+6* 4)=2* (24+16+24)=2* 64=128\ (cm^2)$