Answer:
it 480
Step-by-step explanation:
if your k 12 this is right
The correct answer is x=5
Radius = circumference/2(3.14)
OPTION 3
Answer:
x = 10
y = 13
Step-by-step explanation:
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