The value of y varies directly with x. If x = 3, then y = 21. What is the value of x when y = 105?

1 answer:

Bumek [7]2 years ago

3 0

Answer:

Step-by-step explanation:

$y \alpha x \\ \frac{y}{x} = k \\ \frac{21}{3} = \frac{105}{x} \\ x = 15$

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