Let 40 x 55 = n. which of the choices shown is also equal to n? a) (550 x 40) b) (4 x 50) + (40 x 5) c) (50 x 40) + (50 x 40) d) (10 x 55) + (10 x 55) + (10 x 55) + (10 x 55)

D) (10 x 55) + (10 x 55) + (10 x 55) + (10 x 55)

use distributive rule to factor out 55:
55 (10+10+10+10) = 55×40

Just a question- could you organize the data better? i just cannot tell which number are for which bakery. i will be happy to answer this question if you could do this for me! : )

The shelves will hold 270 books in total