Answer:
132
Step-by-step explanation:
132
4hour.
<h3>Justification:</h3>
<u>We are given time takes to travel is inversely with an average speed</u>.
- When average speed is 40mph, it takes 2hour.
Then,
<u>If average speed is 80mph, let time taken be x</u>:
- 40/2 = 80/x
- 40x = 160
- x = 160/40
- x = 4
<u>Hence, it takes 4 hour to travel to a destination with 80mph</u>.
The amount A resulting from a principal amount P being invested at rate r compounded continuously for time t is given by
... A = P·e^(rt)
FIll in your given values and solve for P.
... 25000 = P·e^(0.0525·12) = P·e^0.63
... P = 25000/e^0.63 ≈ 13314.80 . . . . . divide by the coefficient of P
The amount that must be invested is $13,314.80.
Answer:
The answer would be the same. Simplified it would be 4. Hope this helps.
