Carl wants to find the product 30×5/6.Which of the following best explains how he can find the product mentally? A. He knows that 30÷5 is 6. He then multiplies 6 by 6 to get 36.
B. He knows that 30×6/6 is 30. He then subtracts 1 from 30 to get 29.
C. He knows that 3×6=18.He then adds 18 and 5 to get 23.
D. He knows that 30×1/6 is 5. He then multiplies 5 by 5 to get 25.