Needmathhelp14 Needmathhelp14

30-09-2014
Mathematics

Answered

Hi. Could I get help with the below problem. TIA

Find the value that completes each proportion.

4/5 = ?/15

Answer :

30-09-2014

[tex]Proportion:\\\frac{4}{5}=\frac{x}{15}\\\\Cross\ multiplication\\\\15*4=5x\\\\ 60=5x\ \ \ |Divide\ by\ 5\\\\ x=12[/tex]

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30-09-2014

15 divided by 5 is 3, so you multiply 4 by 3, which is 12.

4/5 = 12/15

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