Answer:
See explanation
Step-by-step explanation:
The standard compound interest formula is 
where:
P is the principal amount
r is the interest rate (typically as a percentage)
t is the time
n is the times compounded per unit of time
So,
1) 
2) 
3) 
You should check my answers though, I may have mixed up some terms.
Answer:
1/6
Step-by-step explanation:
hope this helped you!
Original is the whole = 5/5
After reduction is 2/5
2/5 =0.4 = 40%
Draw a rectangle.
Divide it in 5 parts
Shade 2 parts.
This is the new dimension 2/5 or 40%
Let x℅
so , 20×X/100=12
......x=1200/20 = 60 ℅ ...answer !
Its a pull and the location has to be less than 400N
