BRE1219 BRE1219
  • 29-09-2015
  • Mathematics
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You use 43 muscles to frown. When you smile, you use 32% of these same muscles. About how many do you use when you use

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TheBilogis
TheBilogis TheBilogis
  • 29-09-2015
You simply do 43×0.32. Which is 13.76 so about 14.
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