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Question

Roby allotted $396 for tables. The cost of each table is $42. Find how many tables Roby can buy. Hint: Round off the numbers to their nearest tens.

A
5
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B
10
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C
20
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D
40
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Solution

The correct option is B 10
396 can be rounded off to 400
42 can be rounded off to 40.
We can say that the amount allotted is $400 and cost of each table is $40.
Number of tables Roby can buy
=Total amount ÷ Cost of each table.
i.e. 400 ÷ 40 = 10 tables.

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