Find the area of trapezoid.
1/2(6+10)(3) = 24
Now multiply 24 by $4 to find the total cost.
24 * 4 = 96
So the total cost is $96
Hope this helps :)
2.5=10/100x
Simplify
2.5=1/10x
Flip the equation.
1/10x=2.5
Multiply both sides by 10.
10*(1/10x)=(10)*(2.5)
x=25
1 is SAS 2 is AAS 3 i believe SAS and 4 is SSS