Answer:
J+2J=12 so 3J=12 so J=4
Step-by-step explanation:
Use J to represent Jake's miles.
We know that Gloria's miles (G) is twice J, so G=2J
We also know that Jake and Gloria together ran 12 miles.
So we know, J+2J=12 or 3J=12 meaning J=4
So Jake runs 4 miles, and since Gloria is two times that she ran 8 miles.
Answer:
2 hours at 15mph
4 hours at 4mph
Step-by-step explanation:
Answer:

B. 30
Step-by-step explanation:
First, you multiply by 5 from both sides of equation.

Simplify, to find the answer.

, which is our answer.
Answer:
x^5y+4x+4y+2
Step-by-step explanation:
Fact, ^ is called an exponet
(Just so you know)
Answer:
18, 19(which has two) 20(has two)
Step-by-step explanation:
Just find the ones that appear more than one time.