1) in one minute for first wiil be 1/20
the other 1/30, it means that A paint in one minute 1/20 and B 1/30 then A+B in one minute 1/20 + 1/30 = 3+2/60 = 5 / 60, 5/60 = 1/12
if in one min they make 1/12 then in 12 min they paint all the wall
Answer:
There's no answer choices but I can give you an example.
Step-by-step explanation:
- Let's say you have
. - Think about what the closest whole number 25/4 will give you. Since 24 and 25 are close you can do 24/4 and get 6.
- Now since you took one number away from the 25 you have a remainder.
- Since the denominator is 4 your final answer would be 6
.
Hopefully this helps.
Answer: -2(f + 5)
Explanation:
Answer:
x< -1.8
Step-by-step explanation:
-12x+13>35
We leave the variable alone passing the 13 with opposite sign to the other side and subtracting it from 35.
-12x>22
We divide both by the variable, -12x, and it gives x > -1.8. Since the sign of x changed, we flip the sign and the final result is x < -1.8
Answer: 3
Step-by-step explanation: The additive inverse of -3 is 3.
