By taking the product of the two fractions we will see that the number that goes in the green box is a 6.
<h3>
How to add two fractions?</h3>
We only can add two fractions if we have the same denominator in both of them, here we want to transform -2/3 in an equivalent fraction, such that the denominator is 9, so we multiply both the numerator and denominator by 3.
So we need to solve:

From that, we can conclude that the number that goes in the green box is 6.
If you want to learn more about fractions, you can read:
brainly.com/question/11562149
Plug in what we know
P = 20 feet, W = 2 feet
20 = 2L + 2(2)
20 = 2L + 4
16 = 2L, L = 8 feet
Convert feet to inches
1 foot = 12 inches
12 * 8 = 96 inches
Solution: 96 inches
Answer:
False
True
True
False
Step-by-step explanation:
got it right on the test