Answer:
$33.85
Step-by-step explanation:
Let X be the initial bill:
(100 + 20.7)% of X was paid
120.7/100 × X = 40.86
X = 40.86 × 100/120.7
X = 33.85252693
Add each sides' centimeters together to get the perimeter. multiply length x width to get the area. I hope this helped
<h3>
Answer:</h3>
Your selection is correct: 180 hours
<h3>
Step-by-step explanation:</h3>
The pool is apparently 18000 gallons (= 60 gal/h × 300 h). The combined flow from the two hoses is ...
... (40 gal/h) + (60 gal/h) = 100 gal/h
So, the time required with the two hoses is ...
... 18000 gal/(100 gal/h) = 180 h
Actually, it is 40 mph. Unless you mean he goes to the store in half an hour and back in another half. Just clarify the wording.
