Verified Answer :

hartnn

If y varies directly as x,
y = kx


when y = 48,  x = 6
plugging this in y = kx

48 = k6
k = 48/6 = 8.

when x = 2,
y = kx = 82 = 16

so I think the expression you're looking for is:
 y = 82 or y = (48/6)2.

the answer for your question is 48/6 ×2

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