Answer:
Step-by-step explanation:
3x + 11 + x - 9 + 56 = 180
4x + 58 = 180
4x = 122
x = 30.5
Answer:4 hours
Step-by-step explanation:
6*2=12
12/3=4
Answer: 4 and 8
Step-by-step explanation:
1. 12+7x=40
7x=28
x=4
2. 6x-3=45
6x=48
x=8
Answer: The change is -25 dollars so she currently has 325 dollars
Step-by-step explanation: