Im not good with math sry
Answer:
40 is your correct answer
The answer is c)32 hope this helps
The first one is 2.78% second one is 3.8% third one is 4.5% and it will be 378
A the rent all together is

b the rent alltogether would be

the rent for c would cost
640 including everything
and the rent for d would be

so the answer would be D
hope this helped sorry for late answer