Answer:
4 hours to pay the same amount
and aif you want a 3 hours work you should get carpenter A
Step-by-step explanation:

carpenter A for 3 hours:

carpenter B for 3 hours:

Answer:
White
Step-by-step explanation:
20 divided by 4 = 5
White was spun 5 times.
Answer:
Its the 2nd one
Step-by-step explanation: Hope this helps!
No because 3 time 4 is 12 and 5 minus 12 does not equal -3