Answer:
9%
Step-by-step explanation:
You are going to want to use a modified compound interest formula, as shown below. This version of the compound interest formula is what you use to solve for the interest rate.
<em>r = interest rate (decimal)</em>
<em>n = numbers of times compounded (annually)</em>
<em>A = total amount</em>
<em>P = principal amount</em>
<em>t = time (years)</em>
Now, lets plug in the values:
r = 9% interest rate
Together, they refinish 1/8th table per hour. Alone, the cousin does 1/12th table per hour. So:
1/8-1/12=1/24
1/1/24=24 hours for the person to finish the table by themself
☺☺☺☺
43 to the nearest would be 40
Because, 3 is not greater than five in order to round it up by 1
Answer:
19.25$
Step-by-step explanation:
2bags=5.50
7bags=x
x=5.50*7/2
x=19.25$