You would need one because you arent yet to 20 so it takes one tenth for example;
1.7 or 7/10
Thats my guess tho man if it is more complicated than that, SORRRYYYY

factor top and bottom individually, then cross off any like terms on both top and bottom

So B) is the correct answer
Okay let’s go!
The original price is $847.98 with a sales tax rate of 7.75.
This means that the sales tax price is $65.72.
The final cost with sales tax price would be $913.70!
Have a good day :)