Inclusive of a 7.6% sales tax, a diamond ring sold for $1721.60. Find the price of the ring before the tax was
added (Round to the nearest cent, if necessary)

$159075.84

Step-by-step explanation:

100-7.6=92.4

1721.60*92.4=$159075.84

%40

step-by-step explanation:

5=812a+9+3

step 1: simplify both sides of the equation.

5=812a+9+3

5=(812a)+(9+3)(combine like terms)

5=812a+12

5=812a+12

step 2: flip the equation.

812a+12=5

step 3: subtract 12 from both sides.

812a+12−12=5−12

812a=−7

step 4: divide both sides by 812.

812a /812 = -7/812

a= -1/116

so the answer is

a=   -1/116