There are 72 green pens.
There is 9 times as many white pens from 2 to 18, so there has to be 9 times as many green pens because of the ratio. 9 times 8 is 72.
Find a common denominator by multiplying the denominators together. Use that common denominator to create equivalent fractions. Then, compare the numerators to figure out which is bigger
Answer:
x = 10.58
Step-by-step explanation:
It seems the equation is following

3 and 2 will simpy multiply and become 6
will go to RHS and will multiply with 19

6(x+6) will become = 6x + 36



6x = 42.48 + 21
6x = 63.48
x = 10.58