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Vinil7 [7]
2 years ago
5

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

Mathematics
1 answer:
Bumek [7]2 years ago
3 0

Answer:

J

Step-by-step explanation:

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

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