Answer:
and 
Step-by-step explanation:
First, we are told "sum of 5 times one number, x, and 4 times a second number, y, is 75":
(1)
Then, we are told "he sum of the two numbers is 18":
(2)
At this point we have our system of equations and now we are able to find the values of 
and 
.
So, let's begin by isolating from (2):
(3)
Substituting (3) in (1):
(4)
Finding :
(5) This is the value of
Substituting (5) in (1):
(6)
Finding :
(7)
(8) This is the value of
Answer:
30 square feet
Step-by-step explanation:
to find the area, simply multiply 15 and 14.
now the answer is 210 inches.
Now to convert to scale, divide 7 into 210.
The area of the ballroom is 30 feet.
To determine the fourth term, plug 4 into the equation;
Answer:
great :) wbu
Step-by-step explanation:
