Answer:
5%
Step-by-step explanation:
You want to find r when ...
I = Prt
is equal to P and t=20.
P = Pr·20 . . . . fill in the problem values
1/20 = r = 0.05 = 5% . . . . divide by 20P
The simple interest rate is 5%.
Answer:
505.651065
Step-by-step explanation:
It will basically be converted into a decimal.
Answer:
140 feet
Step-by-step explanation:
You will need to find the perimeter of the backyard to find how many feet of fencing will be needed
the formula for perimeter is: 2l+2w
So 2 times 30 is 60
with 2 times 40 80
60+80 is 140
Thus you will need 140 feet to cover the backyard
Hope this helps!
{20a+15c=3550
{a+c=220
{20a+15c=3550
{15a+15c=3300
5a=250
a=50
There are 50 adult-size T-shirts were sold
Answer:
0.833 miles
Step-by-step explanation:
Because you know the area, you can use the formula for area of a rectangle. Just plug in what you know and solve.
30/54 is the same as 5/9.
Multiply by its denominator.
Simplify
Divide by 30
5/6 is roughly 0.833
