Question

Divide $5÷\frac{1}{4}$ to unlock the card and save Venus.

• A. 19
• B. 20
• C. $\frac{1}{20}$

Answer 1

The correct option is B 20

We can write 5 as $\frac{5}{1}$
$5÷\frac{1}{3}=\frac{5}{1}÷\frac{1}{4}$

Take a reciprocal of the second fraction and multiply with the first fraction as follows

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

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

$=\frac{20}{1}$

$=20$

Hence, $5÷\frac{1}{4}=20$