Answer:
\(79.01 + n\)
Step-by-step explanation:
we have
\(81.56 + n - 2.55\)
Group terms
\((81.56-2.55) + n\)
remember that
\((81.56-2.55)=(81+0.56)-(2+0.55)\)
\(=(81-2)+(0.56-0.55)\)
\(=79+0.01\)
\(=79.01\)
substitute in the expression
\(79.01 + n\)
