9514 1404 393
Answer:
4%
Step-by-step explanation:
The simple interest formula can be used.
I = Prt
where r is the annual rate and t is the number of years.
1/5 = 1·r·5
(1/5)/5 = r = 1/25 · 100% = 4%
The rate is 4%.
Answer:
40 to 20
Step-by-step explanation:
If you have more work on ratios I'd go to this site https://goodcalculators.com/ratio-calculator/
Answer:
For
Step-by-step explanation:
For
We can easily factor the expression by grouping.
Now we have
Therefore,
So,
Once
Answer:
3.5
Step-by-step explanation:
7÷2 hope this helps
Answer:
s = 18 mph
Step-by-step explanation:
At downstream, time is; t = 11/(s+ 4)
At upstream, time is; t = 7/(s - 4)
Since they both are passed in the same time, then ;
11/(s+ 4) = 7/(s - 4)
Cross Multiply to get;
11(s - 4) = 7(s + 4)
11s - 44 = 7s + 28
11s - 7s = 44 + 28
4s = 72
s = 72/4
s = 18