Is 6cups of coffee for $8 and 9 cups of coffee for $12 proportional

Question

asked Sep 27, 2021 194k views

2 Answers

Bhugy · Answer 1 · 2021-09-29T01:17:56+0000

Answer:

They are proportional

Explanation:

Let's simplify the ratio of coffee to cost:

6:8 :: 3:4

9:12 :: 3:4

Both simplify to 3:4, so they are proportional

Stephen Himes · Answer 2 · 2021-10-01T22:13:58+0000

Answer:

Yes, proportional

Explanation:

Price 'P' in dollars

No. of cups 'C'

P = kC

8 = 6k

k= 8/6

k = 4/3

12 = 9k

k = 12/9

k = 4/3

Same constant, so proportional