Question 243537
2n+3m=158
-(2n+5m=181) subtract.
-------------------
-2m=-23
m=-23/-2
m=$11.50 cost of a meal.
2n+3*11.50=158
2n+34.50=158
2n=158-34.50
2n=123.50
n=123.50/2
n=$61.75 cost of a nights lodging.
Proof:
2*61.75+5*11.50=181
123.50+57.50=181
181=181