Answer:
n = 7
Step-by-step explanation:
3(n - 4) = 9
3n - 12 = 9
3n = 9 + 12
3n = 21
n = 21 ÷ 3
n = 7
If it's 10.75 for one month, and there are 66 months in 5 and a half years, 10.75 x 66 = $907.50
Answer:
<h2>The rate is 15 minutes per meter.</h2>
Step-by-step explanation:
It takes 9 minutes to fill a depth of
meters.
Filling
meters take 9 minutes time.
Filling 3 meters of the aquarium takes
= 45 minutes time (Multiplying by 5 both the numbers).
In order to<u> fill 1 meter of the aquarium it will take </u>
<u> minutes</u> (Dividing by 3 both the numerical values).