What is the answer to 2/5 = 4/5 c ?

The answer to 2/5 = 4/5 c is c= 1/2

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2/5 = 4/5 c

\frac{2}{5} = \frac{4}{5} c

c = \frac{1}{2}

Decimal Notation

c = 0.5

Solution steps

\frac{2}{5} = \frac{4}{5} c

Switch sides

\frac{4}{5} c = \frac{2}{5}

Multiply both sides by

5

4 c = 2

Divide both sides by

4

c = \frac{1}{2}

15 k^{3} + 90 k^{2} + 120 k

x^{2} - 5 x + 33 = 7 x - 3

8^{x} = 5^{2 x - 1}

\frac{7 x - 4}{3} - \frac{5 - 8 x}{- 3} \geq \frac{4 x - 7}{3}

x + 6 = 0