So it's easier to calculate if you figure out how much time it took her to finish 25% of the wall. Since it took her 45 minutes to do 75%, it took her 15 minutes to do 25%. Then you just multiply.
Therefore, it takes her 60 minutes to finish building her wall.
It is 9- is tha answer need the formula
Not an answer but Photo math is a good app to use to calculate to :)
Answer: The density of a certain material is such that it weighs 9 pounds per cubic foot of
Answer:
162
Step-by-step explanation:
24 x 3 = 72
5 x 18 = 90
90 + 72 = 162
