w = 17b is the equation that relates the number of bottles of water (b) to the total volume of water (w) in fluid ounces.
A Linear equation is an equation in which the highest power of all the variables is not more than 1.
Here, we are given that Elena has some bottles of water that each hold 17 fluid ounces.
The number of bottles = b
Volume of water in 1 bottle = 17 ounces
Volume of water in b bottles = 17b ounces
Here, volume of water (w) in fluid ounces = w
Thus, we get the following equation-
w = 17b
Hence, w = 17b is the equation that relates the number of bottles of water (b) to the total volume of water.
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