Answer:

Step-by-step explanation:
The reason is because you don't know the Inital amount she bought and because she visits two days in a row you would multiply
Answer:
x = 128
Step-by-step explanation:
x and 128 are vertical angles
Vertical angles are equal
x = 128
Answer:
10
Step-by-step explanation:
10y+15=7y+45
10y-7y=45-15
3y=30
y=10
hope it helps you!
Answer:
2 (x-5) = 10
2x-10 = 10
2x = 10 + 10
x = 20/2
x = 10
Step-by-step explanation: