This is a question for geometry and its pretty hard.

m EAD = 56

m EDA = 35

x = 4

Step-by-step explanation:

In a parallelogram, the diagonals bisect each other. This means that AE and EC are equal. To find x, simply set 2x + 3 = 11, and solve.

2x + 3 = 11

2x = 8

x = 4

Additionally, since the sides of a parallelogram are parallel, BC + AD are parallel, as are AB + DC. This make ECB + EAD and EBC + EDA opposite interior angles (have same measure). Thus, since we know ECB = 56 and EBC = 35, EAD also = 65 and EAD also = 35

Each person should pay $90.4000km x 6L/100km = 240L x $1.50 = $360/3 = $120 per person

First you must determine how many liters of gas will be required for this 4000 kilometer trip:

4000km x 6liters/100km = 40 x 6 = 240 liters.

Each liter costs $1.50, so now find the total cost of the gas:

240liters x $.150/liter = $360

This cost is being shared by 3 people, so:

$360 ÷ 4 = $90

Answer is $90

i hope this helps!