It will take Patti and Mike 4.44 hours to do it together.
Word problems in mathematics are the use of basic mathematical techniques such as fractions, algebraic expression, and arithmetic operations to solve mathematical problems.
From the given information:
In an hour,
Thus in an hour, both of them can work on the floor for:
[tex]=\mathbf{\dfrac{1}{8}+\dfrac{1}{10}}[/tex]
[tex]=\mathbf{ \dfrac{10+8}{80} }[/tex]
[tex]=\mathbf{ \dfrac{18}{80} }[/tex]
Thus, for them to complete one part of the floor, it will take them:
[tex]=\mathbf{ \dfrac{1}{\dfrac{18}{80} }}[/tex]
[tex]=\mathbf{ \dfrac{80}{18}}[/tex]
= 4.44 hours
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