Answer:$26
Step-by-step explanation:you do the problem in reverse adding when it says spends and multiplying when it says half. she has $1 dollar left if you work in reverse you then add $3 and get $4. then add $2 and get $6 then multiply that by 2 getting $12. you then add $1 and get $13 then the last step is multiplying and you get $26. hope this helps
3/2 since perpendicular lines have opposite reciprocal slopes
Use a calculator to help u and u will get your answer
MOE = +\- 1.27
Confidence Interval is 53.73 to 56.27
