Answer:
The length of the model is 21 inches
Step-by-step explanation:
we have
The scale factor
That means
1 unit in the model represent 12 units in the actual
1 inch in the model represent 12 inches in the actual
Remember that
so
1 inch in the model represent 1 ft in the actual
The scale factor is
therefore
21 ft in the actual represent 21 inches in the model
D IS THE CORRECT ANSWER
the volume of a cylinder is equal to
which r stands for radius and h stands for height
so the volume is
good luck
The answer is 5 weeks
40x+15=200
x=4.6 and we round that up to 5 weeks