1. TAS=
433-12=421kts (corrected for ISA-12º)
2. NAM =
TAS x time = 421 x (29/60) = 203 NAM
3. From the table,
Start
mass = 54100kg corresponds to 3929 NAM .... (3929 - 203) = 3726NAM
3726
NAM corresponds to mass 53000kg (end mass)
Fuel =
(Start mass - end mass) = 1100kg
ISA
-12º, so -0.7% x 1100 = -8kg, Fuel required 1092kg.
Answer
1100kg