Answer:
L = 2r + 3
Step-by-step explanation:
Given parameters:
Area of rectangle = 14r + 21
Width of the rectangle = 7ft
Unknown:
Length of the rectangle = ?
Solution:
If the length of the rectangle is designated as L;
Area of a rectangle = Length x width
Now insert the parameters:
14r + 21 = L x 7
L =
L = 2r + 3
Answer:

Step-by-step explanation:
<u>Formula:</u> 




3+x
This is a trick question. Unless we know how much she’s eaten for lunch, we can’t figure out how much she ate.
Answer: 2:7 times
Step-by-step explanation: hope it helps u