victoriamoran55
victoriamoran55 victoriamoran55
  • 04-08-2017
  • Mathematics
contestada

please help me..stuck on problem.

please help mestuck on problem class=

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choixongdong
choixongdong choixongdong
  • 04-08-2017
7a
TSA = 2lw + 2lh + 2wh 
TSA = 140 + 70 + 100 = 310 ft^2

7b

310 x $4 =$1240
cost = 
$1240

7c

V= wlh = 7×10×5 = 350 ft^3

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