Amountain bike is priced at $413. if the sales tax is 6.5 percent, what is the cost to purchase the mountain bike? round to the nearest cent if necessary.
$26.85
$433.65
$437.78
$439.85

1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!