A grocery store sells 6 bottles of water for $4.80 and 18 bottles of water for $22.50. Is the cost proportional to the number sold? Explain

Question

asked Feb 22, 2017 101k views

2 Answers

Mariyam · Answer 1 · 2017-02-25T08:01:59+0000

Answer:

Explanation:

We can see this calculating the Constant of Proportionality in both cases:

$(4.80)/(6) = 0.80\\\\\\(22.50)/(18) = 1,25$

We can see that, the proportion is not a Constant, which means that costs are not proportional between the number of bottles sold.

Victor Gavro · Answer 2 · 2017-02-28T22:37:21+0000

No the cost is not proportional to the number sold.

6 bottles divided by $4.80 = .80 each
18 bottles divided by $22.50 = $1.25 each