Question
By 7:00P.M., 1/3 or the junior class has arrived at a school dance. By 8:09PM., 30 more juniors had arrived, raised attendance to 1/2 of the juniors class. How many people are in the juniors class?
I don’t understand.. can someone help?
A 30
B90
C120
D180
E240
I don’t understand.. can someone help?
A 30
B90
C120
D180
E240
Answers
(1/3 c) + 30 = 1/2 c
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