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Suppose that y is directly proportional to x .

1) Find the constant of proportionality,   k, if y = 89  when x = 10 .

k =

2) Using the k  from above write the variation equation in terms of x .

y =

2) Using the k  from above find y  given that x = 29 . Write your answer as a decimal.

y =

If needed, round to the nearest tenth.