hep lucy's tea shop has caffeinated tea and decaffinated tea. the tea shop served 30 teas in all,24 of which were caffeinted. what percentage of the teas were caffeinated?

I use proportions to solve this.

24          x

=

30       100

Cross multiply and u get 80%.

Hope it helps :)

0.02040816326

step-by-step explanation:

if you meant, "on the way from (3, 2) to (3, 14):

x does not change; y increases by 12.

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