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3 years ago

Please help i have been trying to figure this out for like an hour

Mathematics

1 answer:

KengaRu [80]3 years ago

7 0

Answer:

Step-by-step explanation:

Since x varies directly as y, the ratio of x to y remains the same. Let the value of x when y=4 be a. Then we have

$\dfrac {7 \frac12} {10} = \dfrac a4$

We can cross multiply to get that

$10a = 30, \text{so } \boxed{a=3}$

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Answer:

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