Answer:
30%
Step-by-step explanation:
because you use %
so that is why i think but i am not sure
Answer: Look you have a website called symbolab and another called desmos for this stuff.
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Given
Rectangle has an area of 
Suppose rectangle length and width are
and 
If each side is increased by 
Area becomes 
We can write

Substitute the value of width from (ii) in equation (i)

Width corresponding to these lengths

Therfore, we can write the length of the longer side is 