Divide the total amount of money you have by the cost of one package of blueberries.
If one package of blueberries is $5, and you have $15, divide 15 by 5
15 ÷ 5 = 3
Answer: (pt.1)
You can buy 3 packages of blueberries with $15 dollars.
--
In a proportional relationship, the ratios of the x and y variables are equivalent.
To find out if this relationship is proportional, take two of the points and convert them to fractions (x over y).
(1, 5) & (3, 15) ⇒
&
Divide the numerators and denominators by each other. If they both equal the same number, the relationship is proportional.
3 ÷ 1 = 3 ,,, 15 ÷ 5 = 3
Answer: (pt. 2)
Yes, the relationship is proportional.
Hope this helped! :)
~ V.