121 = 55%
121 / 11 = 5%
11 = 5%
11 * 20 = 100%
220 = 100%
220 students in 7th grade
Answer:
-1.5
Step-by-step explanation:
8÷12 is 1.5 and 4÷12 is 3 so 1.5-3 is -1.5
-89
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