In order to determine the number of boys in the class, first, we set-up an algebraic equation. Let x = number of boys in the class. The equation is then: x + 4x = 45. This is because the number of girls is 4 times greater than the number of boys. After solving the algebraic equation, it is then determined that there are 9 boys in the Chemistry class.
Answer:A≈153.94in²
Step-by-step explanation:Hope this was helpful
Answer:
the answers 6/6
Step-by-step explanation:
I did this in like 3rd grade
The correct option is: B. 450
<u><em>Explanation</em></u>
Current value of the investment is
dollars and 30 years ago, the value of the investment was
dollars.
Suppose, the value of investment today is
times greater than the value of the investment thirty years ago.
So, the equation will be........

Thus, the value of the investment today is 450 times greater than the value of the investment thirty years ago.