Answer: 7 people need 16 minutes to paint 4 walls.
Step-by-step explanation:
Since we have given that it takes 63 minutes to paint 9 walls ,
So, we will apply "time and work formula" i.e.

where,
H denotes number of hours or minutes,
D denotes number of days
M denotes number of men
W denotes work done them,
So, we need to calculate number of minutes for 7 people to paint 4 walls,

So, 7 people need 16 minutes to paint 4 walls.
Answer:
Step-by-step explanation:
true i hope this helps!
The square root of x is the jfhvasbkvhadk ffzbahvvvvfhyvud
Answer:
Giorgio
Step-by-step explanation:
Answer:2
Step-by-step explanation: