12/30 = 2/5 in fraction
0.4 in decimal
18 !
27/x = 12/8
Cross multiply and then solve
Answer:
0.206 is rational
Step-by-step explanation:
Percent change = change/original * 100
(2.65 - 2.30)/ 2.65 * 100
.35/2.65 * 100
13.2 % decrease
-13.2% if you need to write is as a negative