luiscerros99 luiscerros99
  • 10-02-2017
  • Mathematics
contestada

Write a proportion that could be used to solve for each variable. Then solve.
16 walls in 40 hours
3 walls in h hours

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Аноним Аноним
  • 10-02-2017
16 walls in 40 hours 
3 walls in h hours

16/40 = 3/h

16h = 40(3)
16h = 120
h=120/16
h=7.5

answer: 3 walls in 7.5 hours
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