Given that y varies directly with x in the table given, what is the value of y if the value of x is 7? x 2 4 6 10 y 12 24 36 60

For direct variation, y = kx, where k is constant. Using x = 2 and y = 12 gives k = 12 ÷ 2 = 6, so when x = 7, y = 6 × 7 = 42. The correct choice is 42.

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