Question

plz anyone answer me​

Answer 1

Answer:

20 days are required

Step-by-step explanation:

$(1 \div 36) + (1 \div 45) \\ (5 + 4) \div 180 \\ 9 \div 180 \\ 1 \div 20 \\ 20$

20 days are required

Answer 2

Answer:

Step-by-step explanation:

Answer is option D:20 hours. See the solution below hope it will be helpfull