11:10am
20 minutes before 12 noon is 11:40am
30 minutes before 11:40am is 11:10am
The answer should be A. 4 Meters
Let n be old painters time. Then the new painters are 2n. So:
1/n+1/2n=1/6
2+1=2n/6
2n=18
n=9
The old painters take 9 hours; the new ones take 18
☺☺☺☺
Answer:
the cost for each gallon is 2.59
Step-by-step explanation:
8 x 2 + 6x + 5=0
16 + 6x + 5=0
6x+21=0
6x+21-21=0-21
6x=-21
6x/6=-21/6
x=-7/2