hirolexy
hirolexy hirolexy
  • 22-09-2018
  • Mathematics
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Can someone help me on 7-B, 8-B and please

Can someone help me on 7B 8B and please class=
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devin561
devin561 devin561
  • 22-09-2018
Well economical means using something with as limited resources and money as possible so if h= 5, put 5 into each equation. For the first one, 5•5 is 25+12 which is 37. For the second one, 3 • 5 is 15 + 18 which is 33. So the second option is more economical because it’s less
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