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Answer: Base Ten Blocks, Number Line, Two Colored Counters
Answer:
the answer is 300
Step-by-step explanation
there are 16 people so we divide that by the total number of students
400 divided by 16 = 25
since there are 12 right handed in each group we multpily it by 12
25 x 12 = 300
and theres your answer!
If your still using number blocks then it is 20 ones but if its just addition or so it is just 20