3(x - 2) + 2 = 5(x - 3) + 9 por fa
1 answer:
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Answer:
The total area of Ohio is about 30 times the total area of Rhode Island
Step-by-step explanation:
Let
x -----> the total area of Ohio in square miles
y -----> the total area of Rhode Island in square miles
we know that
(<em>searched in Google</em>)
To find out approximately how many times the total area of Ohio is compared to the area of Rhode Island, divide the area of Ohio by the area of Rhode Island
substitute the values
therefore
The total area of Ohio is about 30 times the total area of Rhode Island
Answer:
1 haircut = 47 dollars
1 colouring = 98 dollars
Step-by-step explanation:
Let be equal to the cost of 1 haircut.
Let be equal to the cost of 1 colouring treatment.
<u>1) Form equations</u>
Equation 1: 3 haircuts + 1 colour = 239 dollars
⇒
Equation 2: 2 haircuts + 1 colour = 192 dollars
⇒
<u>2) Solve the system of equations</u>
Subtract equation 2 from equation 1 to cancel out y (elimination)
-
⇒
Therefore, Natalie charges 47 dollars for 1 haircut.
Plug x back into one of the equations to solve for y
Subtract both sides by 94
Therefore, Natalie charges 98 dollars for 1 colouring treatment.
I hope this helps!