<span><u>8x + 9 = 5x + 18</u>
Subtract 9 from each side:
8x = 5x + 9
Subtract 5x from each side:
3x = 9
Divide each side by 3 :
<u>x = 3</u>
</span>
Answer:
The girls and boys heights are equal and none are shorter or taller.
You get this answer from identifying the numbers, seeing if there is any number that is larger or shorter than 40-60.
Hope this helped!
Answer:
Step-by-step explanation:
B.(10,1)
Answer:

Step-by-step explanation:

The total number of caps or shirts needed will be equal to the total amount of people in the system.

We can multiply the amount of caps and shirts by their price to get the total price needed.

We can substitute one equation into another to solve for x.
Now we put our x value back into the other equation to get y

Now we substitute both of our values into our second equation to verify that they are correct

So correct!