Given proportional relationship between the number of oatmeal raisin cookies Jane buys, x, and their total cost (in dollars), y shows you that
y=x.
You can check it:
- when x=6 cookies, then y=$6 (x=y);
- when x=8 cookies, then y=$8 (x=y);
- when x=15 cookies, then y=$15 (x=y);
- when x=18 cookies, then y=$18 (x=y).
Answer: y=x.
Each drawing they are just adding another row to the right so for the 7th picture, there would be 28 dots. Another explanation is that they are just adding the same number of dots for each number it is. For example, for the 5th image, they added 5 dots to the previous image and so on.
Not sure if this is right or not, but I chose 125.11 after I typed in the equation, haven’t used R-value at all. Will comment if correct — APEX
3
(
y
−
3
)
y
3
(
−
3
)
That is your answer
