Answer:
x is the variable
Step-by-step explanation:
You need to set it up as a fraction and make the fractions equal each other.
2/3 (2 of their books for 3 of yours)
x/18 (x amount of their books for 18 of yours)
(2/3)=(x/18)
multiply both sides by 18
and you get
36/3 which reduces to 12
so your answer is 12
Answer:
we can do it by simplifying 8 to 
to make both powers base two, and subtracting the exponents.
Step-by-step explanation:
We have been given the expression 
8 can be rewritten as
Hence, the given expression becomes
After subtracting the exponents on left hand side of the equation we get:
we can do it by simplifying 8 to to make both powers base two, and subtracting the exponents.
Answer:
7 inches
Step-by-step explanation: Every 1 inch = 50 miles. So every 50 miles of tunnel is 1 inch in a scale drawing. 350miles/50 miles=7 inches.
The scale drawing is 7 inches.
Answer:
-3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10+
Step-by-step explanation:
and anything above 10 would be true
