Question

Sam's mother takes a morning stroll every day. She walks an average of $1.5$ kilometers every day. How many miles does she walk in a day on average?

• A. $9.3$
• B. $0.93$
• C. $9.03$

Answer 1

The correct option is B $0.93$

Average daily walk $=1.5$ km

Note:
$1\text{km}=0.62\text{mi}$
$1.5\text{km}=0.62\times 1.5\text{mi}$

To get the result of $0.62\times 1.5$, multiply $62\times 15$

$\Rightarrow 62\times 15=930$
Now, count the total decimal places from nothing of each term of 0.62 and 1.5
There are 2 decimals places in 0.62 and one in 1.5
Now put decimal point in left of 3 decimal places in the 930 will give the result of $0.62\times 1.5$ which is $0.930$

$\Rightarrow 1.5\text{km}=0.62\times 1.5\text{mi}$
$=0.93\text{mi}$
So, the average walk in miles is 0.93.