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BECE Mathematics 2011 Paper

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Question : 35

Total: 40

A length of a ribbon is 16.8 m long. How many ribbons 0.36 m long can be cut from it?

$\;\;0.46$
4.60
46
460

Solution:

Concept:

Number of pieces

=

Total length

\div

Length of one piece.

Explanation:

We need to find

\dfrac{16.8}{0.36}

.

Multiply numerator and denominator by

100

to remove decimals:

\dfrac{16.8}{0.36} = \dfrac{1680}{36}

.

Now divide:

\dfrac{1680}{36} = 46.66\ldots

Since only complete ribbons of length

0.36

m can be cut, take the whole number part.

So the number of full ribbons is

46

.

Answer:

C.

46

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