Each winkydiddle costs approximately $3.50.
To find the cost of each winkydiddle, we can determine the cost per unit by dividing the total cost by the number of winkydiddles.
Let's take the first pair of values (7 winkydiddles, $24.50) from the table
Cost per winkydiddle =

Cost per winkydiddle =

Cost per winkydiddle = $ 3.50
Similarly the others will cost,
Cost per winkydiddle =

Cost per winkydiddle = $ 3.50
Cost per winkydiddle =

Cost per winkydiddle = $ 3.50
Cost per winkydiddle =

Cost per winkydiddle = $ 3.50
Therefore, each winkydiddle costs approximately $3.50.
Question
The gadget Factory sells winkydiddles the table shows the cost c of w winkydiddles
Number of Winkydiddles, w
7
12
26
31
Cost, c(in dollars)
24.50
42.00
91.00
108.50
Find the cost of winkydiddles