5\div 1/4

Solution

5 \div \frac{1}{4}

20

Solution steps

5 \div \frac{1}{4}

Convert element to fraction:

5 = \frac{5}{1}

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

Apply the fraction rule:

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

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

Apply rule

\frac{a}{1} = a

= 5 \times 4

Multiply the numbers:

5 \times 4 = 20

= 20

2^{3} - 9 [6 - 3 x + 2 (x - 2)]

\frac{3}{4} \times \frac{2}{5}

(x - 7) (x - 4)

(4 x + 5) (3 x^{2} + 2 x - 5)

\frac{3}{4} \div \frac{1}{3}