Question

in a book store 60 identical books occupy a lenght of 1.5 on a shelf find the lenght occupied by 50 such books on a shelf​

Answer 1

Answer:

average width of a book = 150/60 cm = ....

then number of books for 80 cm = 80/width of book

or

just use a simple ratio

n/80 = 60/150 , solve for n , the number of books

Step-by-step explanation:

Nikuuu~

Answer 2

$\huge\huge{\underline{\mathtt{\red{A}\pink{n}\green{s}\blue{w}\purple{e}\orange{r}\green}}} ࿐$

Space occupied by 60 books = 1.5m

Space occupied by 1 book = 1.5m ÷ 60

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀=0.025

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

Space occupied by 1 book = 0.025

Space occupied by 50 book = 50 × 0.025

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀=1.25m

$\huge\colorbox {blue}{1.25m}$