Answer:
20%
Step-by-step explanation:
282/1440=.195
round up to 20%
We have the following:

A system of linear equations has infinite solutions when the graphs are exactly the same line.
for this to happen, on both sides the value of x must be equal:

replacing:
Answer:
Step-by-step explanation:
First consider the unknown original price as 'x'.
Then consider the rate of discount.
To find the actual discount, multiply the discount rate by the original amount 'x'.
To find the sale price, subtract the actual discount from the original amount 'x' and equate this to given sale price.
Answer:
5
Step-by-step explanation:
x can only go into 20x2 and 10x and 5 is the Gcf of these three numbers
I chose 40! thought it was to only logical answer