Answered

540 x F% = 90 find F

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Jers15viz
540 x F=90
Divide both sides by 90
F=0.17

Convert to percent:
0.17 x 100=17%

Hope this helps =)

Mlcparra16viz
Note that we are looking for F and not F%.

We would then have the equation:
[tex]540* \frac{F}{100} =90 \\ \frac{27F}{5} =90 \\ 27F=450 \\ F=16.67[/tex]

Therefore F is equal to 16.67 and F% 16.67%