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REY [17]
1 year ago
15

If x varies directly as y, and X = 24 when y= 21, Find x when Y=6

Mathematics
1 answer:
Ne4ueva [31]1 year ago
7 0

Answer:

x = 48/7

Step-by-step explanation:

There's two good ways to do this problem.

Option 1:

Translate "x varies directly as y" into the equation y=kx

Then you have to find k. After you "reset" your y=kx equation, fill in k and then solve for x. See image.

Option 2:

Translate "varies directly" into a proportion, which is two fractions equal to each other:

x/y = x/y

Fill in the three numbers given and cross multiply and solve to find the fourth number. See image.

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