On average the number of electronic keyboards sold in California each year is equivalent to eight times the average number sold yearly in South Dakota. If, on average, there are 109,888 electronic keyboards sold each year in California, how many are sold in South Dakota

I’m sure you could google it. my profile picture might

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!