Answer:

Step-by-step explanation:
The dimensions of the rectangle are represented by functions:

The area is length × width of a rectangle.


Expand brackets and solve.


Answer: 8.69 (read explanation)
Step-by-step explanation:
If the one above it is only 8 and x is slightly better it would make much more sense for it to be 8.69..... try it, it sounds quit accurate.
Answer:
1:2
Step-by-step explanation:
24 : 48 simplified is 1 : 2
1.89 / 3 = 0.63 per pound
2.49/ 5 = 0.498 per pound
answer
<span>5lbs for 2.49 is the best buy</span>