His speed was 1.5 mph
Explanation: It took him 20 minutes (1/3 of an hour) to hike 1/2 mile. 20 times 3 is 1 hour so 1/2 mile times 3 is 1.5 miles in one hour.
Answer:
$10
Step-by-step explanation:
Investment 1- simple interest
Investment 2- compound interest
- Gain= 4000*(1.05²-1)= $410
The difference:
To solve any equation you have to leave the variables in a side and all the numbers on the other, we can do that by subtracting 6 from each sides.
Now, divide the whole equation by 2.
Getting simple here. Now, take the cube root for each side.
So that's it!
ANOTHER WAY BY USING THE LOGARITHM RULES:
You can take it as informative or alternative way of solving it, the one explained above is way easier.