Answer:
<h2>Answer is B!</h2>
Step-by-step explanation:
<h2>Mutiply 0.39*50=19.5</h2><h2>Mutiply 0.39*75=29.25</h2>
<h2>Does this help?</h2>
Let's put it this way.
It's a ratio of 6:72 and we need to change it in a way to find number of rooms cleaned in 9 days.
Divide 6 & 72 both by 2
Ratio is now 3:36
Multiply 3 & 36 both by 3
Ratio is now 9:108
The number of rooms in which Robin can clean in 9 days is 108 rooms.
34% = 0.34
120 * 0.34 = 40.8
Solution: it is 40.8
Here is the formula: b•h/2
Answer:

Step-by-step explanation:
Hello!
We can use the special binomial product formulas:
<h3>Simplify</h3>
The simplified form is 