Answer:
C
Step-by-step explanation:
2 and 3/4 is equal to 2.75 so just multiply 20 by 2.75 to get 55.
C. 55
20 * 2 3/4 = 20*2 + 20* 3/4 = 40 + 60/4 = 40 + 25 = 55
Another approach: you could rewrite 2 3/4 as 3 - 1/4
Then the question becomes:
20 * 3 - 20 * 1/4 = 60 - 20/4 = 60 - 5 = 55
