C is the correct answer
Hope this helps :D
Answer:6minutes
Step-by-step explanation:
3 hours =180min
180min divided by 30 windows is 6
Answer:
A
Step-by-step explanation:
89x1230x780=85386600
8 would be B.
The ratio is 1:5, so the answer has to be a division of 5.
15*5 does not equal 90, but 18 does.
9 is correct.