jamela brought 5 and 3/4 kg of flour she used to and 2/6 kg and 1 and 8/12 kg of flour respectively to bake a cake and some cookies how much floor is less 19. what is the mathematical sentence a. 5 and 3/4 + (2/6 - 1 and 8/12)=N b. 5 and 3/4 x (2/6 -1 and 8/12)=N c. 5 and 3/4 - (2 and 2/6 +1 and 8/12=N d.5 and 3/4 ÷ (2 and 2/6 × 1 8/12)=N​