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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)
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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)

User Andrew Clegg
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8.2k points

1 Answer

2 votes
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
User Protongun
by
8.3k points
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