Solve for x
x = \frac{15}{2} = 7\frac{1}{2} = 7.5
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x=3\times \frac{5}{2}
Multiply both sides by \frac{5}{2}, the reciprocal of \frac{2}{5}.
x=\frac{3\times 5}{2}
Express 3\times \frac{5}{2} as a single fraction.
x=\frac{15}{2}
Multiply 3 and 5 to get 15.
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