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SAT Mathematics Practice Test 3

Question : 27 of 58

Marks: +1, -0

\frac{3}{5}w = \frac{4}{5}

,what is the value of w ?

Solution:

To solve the equation for w, multiply both sides of the equation by the reciprocal of

rac{3}{5}

,which is

rac{5}{3}

This gives

(\frac{5}{3}) \cdot \frac{3}{5}w = \frac{4}{5} \cdot \left(\frac{5}{3}\right),

which simplifies to

w = \frac{20}{9}

Choices A, B, and C are incorrect and may be the result of errors in arithmetic when simplifying the given equation.

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