Answer:
1st evening: 23
2nd evening: 36
3rd evening: 18
Step-by-step explanation:
Total: 77
2nd: 2 * 3rd evening
1st: 3rd evening + 5
Let x represent the 3rd evening.
77=(2*x)+(x+5)+x
x=18
Answer:10
12-5+3=10
hope this an helps