Answer:
W=9 L=25
Step-by-step explanation:
In the attached file
Length-25
Width-9
x-width
2x+7-height
6x+14=68
-14 -14
6x=54
x=9
Because firstly, it is increased by 4% but tge same is followed by a 4% decrease. So the final amount will be 1235
Answer:=/
y = 55x + 15
i think this is it, but it might not be right
12, 4, 24, 30, and 14 are the answers