The answer is 38 since range=high - low = 58-20
By increasing the number of blue widgets supplied
431.2+826.4d=2910.4
431.2 is only the first day therefore it doesn't need the variable because the variable represents the number of days. 826.4 even says "each remaining day" referring to what the variable represents.
<span>a whole number; a number that is not a fraction.</span>
The first should be 80 the second part of it should be 210 idk if thats completely right sorry if I'm wrong i hope i helped a little