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A painter paints 3 rooms in 7 hours. Express y in terms of x, where y is the number of hours the painter takes to paint x rooms.

Respuesta :

calculista

Answer:

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

Step-by-step explanation:

Let

x-----> the number of rooms

y----> the number of hours

we know that

using proportion

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

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