Answer:
c
Step-by-step explanation:
because if you solve the problem it is equal to c
Answer:
I don't understand what the means
Solution: We are given that:
5 people can paint 7 walls in 21 minutes
Therefore, 1 person can paint 7 walls in minutes
Which means 1 person can paint 1 wall in minutes
Now, 3 people can paint 1 wall in minutes
Therefore, 3 people can paint 5 walls in minutes
Answer:
1,11,13,17,143,187,221,2431
Step-by-step explanation: