
The expression you would substitute for x is -2y+4. The answer is d.
Note the equal sign. What you do to one side, you do to the other.
Isolate the variable. Divide 4 from both sides
(-52)/4 = (4m)/4
m = -52/4
m = -13
-13 is your answer for m
hope this helps
The percentage of walkers who got a ride is 37.5/3=12.5%
The number of that is 0.125*24=3 students.
3.75
10 ft - 2.5
Half of 2.5 is 1.25.
2.5 + 1.25 = 3.75