Answer:
4%
Step-by-step explanation:
The interest earned on the investment is the difference between the end-of-year value and the initial value:
$83.20 -80 = $3.20 . . . . simple interest per year
__
The interest rate is the ratio of this to the initial investment:
$3.20/$80.00 = 0.04 = 4% . . . . . simple interest rate per year
Answer:
7.5
Step-by-step explanation:
25y-15y=10y
10y=75
y=7.5
24 pens divided by 2 boxes equals 12 pens per box.
Answer:
stop asking questions and u wont have to worry abt that
Step-by-step explanation:
if u stop asking maybe u wont get an answer
Let

be the mean and

the standard deviation.
Joe's score tells you that

, while Jon's score says

. Solve this to get

and

.