Which equation represents a proportional relationship that has a constant proportionality equal to 0.7 Y/x=7/10

Y/x=1/7

XY=7/10

XY=1/7

first option

Step-by-step explanation:

The equation representing a proportional relationship is

y = kx ← k is the constant of proportion

Here k = 0.7, thus

y = 0.7x ← is the required equation

Given

= ( cross- multiply )

10y = 7x ( divide both sides by 10 )

y = x = 0.7 x ← the required equation

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step-by-step explanation:

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