Answer:
-5/3, or in decimal form, -1.666.
Step-by-step explanation:
a. -146 (3k+5) --- distribute the -146 to "3k" and "+5."
b. -438k - 730 = 0 --- get the variable k to one side of the equation.
c. -438k=730 --- divide by -438 on both sides.
d. the answer you get is 730/-438, which, in simpler terms, is -5/3, or -1.666.
<em>Hope this helps! :)</em>
45 divided by 5 is 9, so it takes 9 minutes to cover 1 mile.
9 x 2 = 18.
If you just divide 60 and 15 you will get 4. So 4 is you answer
At the end of the first year, the correct formula is this one:

The second year, we add r times the above amount, we get:

Iterating the process, we get the general formula of any number of years: