Practice · Ratios & Proportional Relationships — L2 The Constant of Proportionality k

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Difficulty: Medium
Short answer

In the table x: 2, 6, 10 → y: 6, 18, 30, y is directly proportional to x. Find k (with k = y/x), then find y when x = 7.

Fractions like 1 1/2, 9/6 and 3/2 are all accepted where they're equal.

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