change to improper fractions
77 1/2 = 145/2
2 1/4 = 9/4
divide
145/2 divide 9/4
copy dot flip
145/2 * 4/9
580/18
290/9
32 2/9
it will fit into 32 bags with 2/9 left over
We have 32 full bags * 2.25 = $72.00
Independent variables (IV): These are the factors or conditions that you manipulate in an experiment.
Dependent variable It is something that depends on other factors
A constant is a value or number that never changes in expression; it's constantly the same.
A control group in a scientific experiment is a group separated from the rest of the experiment, where the independent variable being tested cannot influence the results.
I hope I was helpful
d = Diameter of wheels = 25 inches
s = Distance to be traveled by the wheels = 458 miles
Converting the miles to inches

The distance traveled by the wheels in rotation is the circumference

The number of rotations required to cover the distance would be

rotation is
so

The number of rotations to cover the required distance is 
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8953.7 is the answer to this