The sales tax on a sofa that cost $575 was $51.75.
What was the percent sales tax?

So the percentage of sales tax charged for the sofa was 7.50%. I hope the procedure is clear enough for you to understand. Based on this procedure, similar problems can be done with absolute ease

Step-by-step explanation:

Divide

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b