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Llana [10]
3 years ago
15

If y varies directly as x, and y = 12 when x = 4, what is the value of y when x = 7 ?

Mathematics
2 answers:
Tamiku [17]3 years ago
7 0

Answer:21

(7*12)/4

Step-by-step explanation:

harkovskaia [24]3 years ago
6 0

Answer:

y = 21

Step-by-step explanation:

If y varies directly as x, the fraction between they two is constant, so:

12/4 = y/7

7•12/4 = y

84/4=y

y = 21

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