Question

According to the Forbes' Real-Time Billionaires rankings, Jeff's net worth is $193.4$ billions and Elon's net worth is $171.6$ billions. What is the difference in their net worths?

• A. $\frac{209}{5}$
• B. $\frac{109}{5}$
• C. $\frac{218}{5}$
• D. $\frac{118}{5}$

Answer 1

The correct option is B $\frac{109}{5}$

Jeff's net worth $=193.4$ bn dollars
Elon's net worth$=171.6$ bn dollars
Difference between their net worth
$=193.4-171.6$
$=21.8$ billion dollars
To choose the correct option, convert this amount into fractional form.
So, $21.8=\frac{21.8}{1}=\frac{21.8}{1}\times \frac{10}{10}$
$=\frac{218}{10}$
$=\frac{109}{5}$
Hence, there is a difference of $\frac{109}{5}$ bn dollars in their net worths.