Answer:
The answer to your question is $11.17
Explanation:
Data
Monday $1.50
Tuesday $2.25
Wednesday $1.76
Thursday $2.24
Friday $3.42
Process
1.- Sum up all the data, the result will be the answer
1.50
2.25
+ 1.76
2.24
3.42
$ 11.17
2.- Conclusion
Susan spent $11.17 on lunch this week