The solution to 20\div 4/5 is 25

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20\div 4/5

Solution

20 \div \frac{4}{5}

25

Solution steps

20 \div \frac{4}{5}

Convert element to fraction:

20 = \frac{20}{1}

= \frac{20}{1} \div \frac{4}{5}

Apply the fraction rule:

\frac{a}{b} \div \frac{c}{d} = \frac{a}{b} \times \frac{d}{c}

= \frac{20}{1} \times \frac{5}{4}

Cross-cancel common factor:

4

= \frac{5}{1} \times \frac{5}{1}

Multiply fractions:

\frac{a}{b} \times \frac{c}{d} = \frac{a \times c}{b \times d}

= \frac{5 \times 5}{1 \times 1}

Multiply the numbers:

5 \times 5 = 25

= \frac{25}{1 \times 1}

Multiply the numbers:

1 \times 1 = 1

= \frac{25}{1}

Apply rule

\frac{a}{1} = a

= 25

3 \cdot e^{2 i}

49 a^{8} + 28 a^{4} b^{2} + 4 b^{4}

(- 1) (2)

3^{3^{3^{3}}}