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If you add more support so the shelf can now hold 5 1/4 pound, how many books can the shelf hold now? Show your work

User Sherbrow
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1 Answer

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Question:

A book weights 3/8 of a pound and a shelf can support
3(3)/(4) pounds. If you add more support, so the shelf can now hold
5(1)/(4) pound, how many books can the shelf hold now? Show your work

Answer:

14 books

Explanation:

Given


Book = (3)/(8)lb

Required

Determine the number of books the shelf can now hold.

From the question, we understand that the shelf can initially hold
3(3)/(4) pounds.

However, with more supports; the shelf can now hold up to
5(1)/(4) pound

The number of books it can hold is calculated by dividing the amount of pound the shelf can now hold with the weight of 1 book.


Books = 5(1)/(4) / (3)/(8)

Convert mixed number to improper fraction


Books = (21)/(4) / (3)/(8)

Change the division symbol to multiplication


Books = (21)/(4) * (8)/(3)


Books = 7 * 2


Books = 14

This implies that the shelf can now hold 14 books

User Artem Sokolov
by
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