100*2.2=220
80*2=176
220+176=396
So the two trains will take 2.2 hours so that they are 396 miles apart.
Answer:
should be 66% of children and 1650 children in the town
Step-by-step explanation:
The z-score is 3, because 294-210=84; 84/28=3
We can solve this equation by using the Square Root Method.
First, take the square root of each side of the equation:
(x-8)^2 = 144 becomes x-8 = 12
Then add 8 to both sides.
x=20
The original lawn was d. 20 feet by 20 feet.
Hoi!
If the two fractions have a common denominator, then yes, you do. Only add the numerators. :)
