Answer:
x=4
Step-by-step explanation:
(21 miles/gallon) x (21 gallons) = 21 x 21 = 441 miles
Answer:
The population reaches 42,336 fish in 2258
Step-by-step explanation:
<u>Given</u><u>:</u>

<u>To Find:</u>
Time taken to reach 42,336 = ?
<u>Solution:</u>
According to the question x is the number of years after which the population .
Then


= 0
Solving using quadratic formula



x=261.337 x=−261.268
Neglecting the negative value we get
x = 261.337
x = 261 approx
261 years after 1997 = 2258