The total number of chairs is the product of the number of rows with the number of chairs per row. You can determine this using the dimensional analysis approach. The solution is as follows:
Number of chairs = Number of rows * Number of chairs/row
Since the the unit 'row' appears on both the numerator and denominator side, they will cancel out, leaving us with the number of chairs.
225 chairs = x*x = x², where x is the number of rows which is also equal to the number of chairs per row
x = √225 = 15
Thus, there are 15 rows with 15 chairs each row.
Answer:
Step-by-step explanation:
The simple interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
step 1
Find the number of time periods t
in this problem we have
substitute in the formula above and solve for t
![t=[(725/500)-1]/0.09](https://tex.z-dn.net/?f=t%3D%5B%28725%2F500%29-1%5D%2F0.09)
step 2
what will Rs 600 amount to at 11% in same time?
we have
substitute in the formula
Answer: c) annova
Step-by-step explanation:
This is because ANNOVA is a test of differences between 3 groups.
185/100 + 50/100 +4/100
= (185+50+4)/100
=239/100
=2.39
Answer:
42.86%.
Step-by-step explanation:
Reduction in price = $70.00 - $40.00 = $30.00
Reduction in percentage = ($30.00 ÷ $70.00) x 100 = 42.86%
The price of the videogame was reduced by 42.86%.
