Answer:
step 1. DBE ~ ABC
step 2. (x + 5)/4 = (2x + x + 5)/(4 + 3)
step 3. ( x + 5)/4 = (3x + 5)/7
step 4. 7x + 35 = 12x + 20
step 5. 5x = 15
step 6. x = 3.
It should be around 9.095 or just around 9.11 dollars.
Hope this is correct and that it helped!!
We have 7y = 4x + 14;
Then, y = (4/7)x + 2;
The slope of this line is 4/7;
Because another line is parallel with the first one, the chosen slope is 4/7.