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?

Correct 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=21381721.4474  n=n1=21.4474=21



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