What is the quotient to the nearest whole number by using compatible numbers 40.06/ 5.23?

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Tony B Share
Feb 12, 2017

8

Explanation:

Lets use a calculator to give us something to compare to and decide if the compatible number solution is close enough.

By calculator$\to 7.6596 \ldots .$

Rounding this up we have the value of 8
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Rounding 5.23 we have 5
Rounding 40.06 we have 40

$40 \div 5 = 8$

This compares well.

5 is compatible with 40 as the division is very strait forward

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