Problems

Answers

1. 
\begin{array}{r}
02.99 \\
+78.60 \\
\hline 81.59
\end{array}

2. 
\begin{array}{r}
83.99 \\
+\quad 58.00 \\
\hline 141.99
\end{array}

3. 
\begin{array}{r}
44.20 \\
+02.82 \\
\hline 47.02
\end{array}

4. 
\begin{array}{r}
05.00 \\
+12.43 \\
\hline 17.43
\end{array}

5. 
\begin{array}{r}
3.54 \\
+\quad 8.47 \\
\hline 12.01
\end{array}

6. 
\begin{array}{r}
51.60 \\
+06.23 \\
\hline 57.83
\end{array}

7. 
\begin{array}{r}
20.92 \\
+10.10 \\
\hline 31.02
\end{array}