Answer:

Step-by-step explanation:
In the attachment!
Answer:
A: M= 100 - w=20 = M-0
( if he has 100 dollars n he buys a 5 dollar coffee every week then he will have 0 dollars left over in 20 weeks )
B. 6 weeks
The value of x is 5. Angle one and four are vertical. You can do this by writing 7x = 3x + 20. Isolate the variable by moving 3x to the other side. If you do this, 3x becomes negative, and you end up with 7x-3x = 20 --> 4x = 20.
x=5.
$8.61
Add all of the costs together and multiply by 0.06, then add the product of multiplication to the cost of the items without tax to get the cost with tax.