Respuesta :

The fraction of completed deliveries is

[tex]\dfrac{36}{80}=0.45[/tex]

We want to express 0.45 as a fraction with denominator 100:

[tex]0.45=\dfrac{x}{100}\iff x=0.45\cdot 100=45[/tex]

So, 45% of the work has been done so far.

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