Total = 7 slices.
1student = 7/9 of a slice.
Total number of students:


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Answer: She will be able to hand out to 9 students.---------------------------------------------------------------------------
Answer:
1. x = 12
2. x = 5
Step-by-step explanation:
1. -222 = -2x - 12x - 54
-222 = -14x - 54
-168 = -14x
x = 12
2. 154 = 2x + 12x + 84
154 = 14x + 84
70 = 14x
x = 5
Answer: all of the sides are 10ft long
Step-by-step explanation: