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Mathematics 9 Online
MAGA:

The variables y and x have a proportional relationship, and y = 12 when x = 5. What is the value of y when x = 8? Enter your answer as a decimal in the box.

Vocaloid:

For proportional relationships, y = kx So plug in y = 12, x = 5, solve for k From there, to calculate the value of y when x = 8, y = kx again, multiply your k value from before, times x

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