Answer:
18
Step-by-step explanation:
3 x 3 = 9
9 x 2 = 18
Answer:
72 gallons
Step-by-step explanation:
we know that
19 units represent 228 gallons
so
using proportion
Find out how many gallons represent 6 units
Let
x ---> the number of gallons for 6 units

Answer:
C
Step-by-step explanation:
Because you should be subtract each other by 20x to transfer from side to another side.
Simply get the value of the angle and distribute away.