-2/5 +1/2w = -6/7
move the -2/5 over by addition
1/2w = -16/35
w = -32/35
After 18 minutes there will be 486 gallons of water drained.
Answer:
b
Step-by-step explanation:
Answer:
A. 2x
Step-by-step explanation:
x + 2x +<u>? </u> = 5x
1x + 2x + ? = 5x
-1x -2x -1x-2x
? = 2x