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A shelf can be packed from end to end with 30 large books or 45 small books.
Kevin already packed the shelf with 3 large books and 23 small books.
At most, how many more large books can Kevin pack the shelf with?
Ans:

Respuesta :

Answer:

11

Step-by-step explanation:

since 30÷45 = 2/3 then

The space taken by a small book is equal to

the space taken by 2/3 a large book.

…………………………………………………

Calculating the number of large book corresponding to 23 small books :

= 23×(2÷3) + 3

= 18.333333333333 (large book)

Then ,Kevin can pack the shelf with (at most) : 30 - 19 = 11 more large books

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