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2one-fourthr = 10

A. r = 4three-fourths
B. r = 4two-fifths
C. r = 4start fraction 4 over 9 end fraction

2 answers

We can solve for the variable r by isolating it on one side of the equation.

2one-fourth r = 10

First, we need to convert 2one-fourth to an improper fraction:

2one-fourth = 2 + 1/4 = 8/4 + 1/4 = 9/4

So now we have:

9/4 r = 10

To solve for r, we need to isolate it. We can do this by multiplying both sides by the reciprocal of 9/4, which is 4/9:

(9/4 r) x (4/9) = 10 x (4/9)

Canceling out the 4s:

(9/4 r) x (1/9) = 10/2

Simplifying:

r = 4start fraction 4 over 9 end fraction

The answer is C, r = 4start fraction 4 over 9 end fraction.
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