Answer:
x+21 y
Step-by-step explanation:
Answer: 
Step-by-step explanation:
The area of a triangle can be calculated with the formula:

The base of the triangle is "b" and the height of the triangle is "h",
In the figure you can observe that the base and the height of the triangle are:

Knowing these values, you can substitute them into
.
Therefore, the area of the triangle is:


Answer:
Gerrard
Step-by-step explanation:
Let the size of each poster be 
Eve's poster portion painted will be

Gerrard's painted portion will be:

From the two inequalities, we find that
is greater than
by x/30

hence Gerrard has the larger blue section. His portion is 16.67% greater than Eve's