Answer:
355
Step-by-step explanation:
185+140= 325
325+20= 355
I would have to go with C. i might be wrong hope its right if it is rate please
Answer: 105
Step-by-step explanation:
6 hours
7 x 6 = 42
15 hours
7 x 15 = 105

So,

You should know that

and

Putting everything together,
I don’t know #1 but here are the other ones:
2. 6
3. 4
4. 16