the thickness of 4 book is 120 mm, so 1 book is mm thick.
Answers
Answered by
0
Answer:
30 mm
Step-by-step explanation:
120/4 is equal to 30
Answered by
0
Answer:
30 mm
Step-by-step explanation:
4 book=120mm
1 book=120/4 = 30
30 mm thick
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