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x/7 = 3/2 a/6 = 3/10

This is part of my revision for exams, would appreciate someone explaining this to me so I can remember it, thanks.

Respuesta :

darth666
[tex] \frac{x}{7} = \frac{3}{2} [/tex]

multiply both sides by 7

[tex] \frac{x}{7} = \frac{3}{2} /*7 \\ x= \frac{3*7}{2} = \frac{21}{2} \\ x = \frac{21}{2} = 10.5 [/tex]

[tex] \frac{a}{6} = \frac{3}{10} \\ a = \frac{3*6}{10} = \frac{18}{10} =1.8[/tex]

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