20% of 55 is
11Convert your percentage into a decimal:

Multiply your decimal by 55:
Answer:
12
Step-by-step explanation:
side 1: 4
side 2: 6
6*4*(1/2)
12
62.5 is your answer in decimal
Answer:
7
Step-by-step explanation:
The probability of choosing a blue marble is 7/8, or 49/56, which means that out of 56 marbles, 49 are blue. 56-49=7, so there are 7 red marbles. Hope this helps! :)