Given data:
The numbers of pallet stone is n=6.
The cost for per pallet of stone is c=$135.99.
The cost for delivery is D=$49.50.
The expression for the total cost is,
[tex]T=n\times c\text{ + D}[/tex]Substitute the given values in the above expression.
[tex]\begin{gathered} T=6(135.99)+49.50 \\ =865.44 \end{gathered}[/tex]Thus, the total amount paid is $865.44.