A shelf

A shelf is 40 3/4 cm long. Books are 1 9/10 cm wide. How many books will fit on this shelf?

Final Answer:

n =  21

Step-by-step explanation:

a=4043​=40+43​=440⋅ 4+3​=4160+3​=4163​=4043​=40.75 cm b=1109​=1+109​=101⋅ 10+9​=1010+9​=1019​=1109​=1.9 cm  n1​=a/b=4163​/1019​=4163​:1019​=4163​⋅ 1910​=4⋅ 19163⋅ 10​=761630​=38815​=213817​≐21.4474  n=⌊n1​⌋=⌊21.4474⌋=21

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arithmeticnumbersUnits of physical quantitiesGrade of the word problem

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