2000=1800(1.04)^t,,log(1.11)/log(1.04)=t use the calculator,,,hope it helps :-)
((b1+b2)÷2)(h)=A
so I think the answer is 3 1/16 or 3.0625
So equal slices
total=x
she ate 4 slices from x so -4
x-4
she had 4 left
x-4=4
the equation would be x-4=4
Chicken - $8
Duck - $5
Work:
50c+30d=550
44c+36d=532
