This is the commutative property, because the order in which you multiply does not change the product.
First of all, you must change 40% into a decimal by multiplying by 100⇒.40
Then you divide 55 by .40
55÷.40=137.5
Therefore, 55 is 40% of 137.5
4 < x^2 i think i dont really know im just trying to get my account verified
Answer:
x < 100
Step-by-step explanation:
x - 19 < 81
* add 19 to each side *
- 19 + 19 cancels out
81 + 19 = 100
x < 100
Depends on the question...
If your question is 2/3b + 5 = 7, then follow this one

Your final answer will be b = 3
If your question is 2/3b - 5 = 7, then follow this one

Your final answer will be b = 18