How can the bar symbol be used to show the quotient of 10 divided by 12 if the division is carried on forever

Since, in its decimal expansion, you'd have

We use the bar symbol over the digits that repeat indefinitely, so, in this case, we'll write a single "3" with an overbar:

13

step-by-step explanation:

divide the cost of the total of sodas you bought by the cost of one soda, for example:

$24.57 divided by $1.89 is 13 which means you bought 13 sodas