wilbo
wilbo wilbo
  • 02-03-2015
  • Mathematics
contestada

w/7=0.3
w=?
please solve i have finished my hw and this one is so confusing to me

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Аноним Аноним
  • 02-03-2015
[tex]\frac { w }{ 7 } =0.3\\ \\ \frac { w }{ 7 } =\frac { 3 }{ 10 }[/tex]

[tex]\\ \\ 7\cdot \frac { w }{ 7 } =7\cdot \frac { 3 }{ 10 } \\ \\ w=\frac { 21 }{ 10 } \\ \\ \therefore \quad w=2.1[/tex]
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