Answer:
x = 5.5 (Fraction 5 and one-half)
Step-by-step explanation:
18 - 7x = -20.5
-18 -18
-7x = -38.5
/-7 /-7
x = 5.5
If you have zero dollars you can’t buy anything
Answer:
The 400 coupon is 80 cents better
Step-by-step explanation:
First find the sale price with the coupon
744 - 400 = 344
Now find the sale price with the discount
100-55 = 45
We will pay 45% of the original price
744*45%
744*.45
344.80
Answer: 
Step-by-step explanation:
Given
Coordinates of Point A is
i.e. Point A is 3 units to the left and 4 units below x-axis
From figure, we can write
