Answer:
63 feet ^2
Step-by-step explanation:
Well assuming your presented with length and width.
9*7=63
To empty the pool, you need to lower the water level by 150cm. since you can only lower it by 30cm every 2 hours (also same as 15 cm per hour), that means it will take you 10 hours.
150cm*(2 hours)/(30cm) = 150*(1/15) = 150/15 = 10.
6 a.m. + 10 hours = 4 p.m.
So the answer is C.) 4 p.m.
You must convert 56 to cm comment on that answer and will help from there
Answer:
be more specific my dude!
Step-by-step explanation:
0,45 / 10 = 0,045 so choice B. is right sure
hope helped
