Answer:

Step-by-step explanation:
Quadratic formula: 


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Answer:
set 1 : 23.5
set 2 : 54
Step-by-step explanation:
lower quartile - upper quartile = answer
Answer:5
Step-by-step explanation:
20 divided by 4 equals 5
Answer:
The ratio of the number of chocolates that contain nuts to the number of chocolates = 1:4
Step-by-step explanation:
The parameters given are;
Proportion of the box of chocolates that contain nuts = 1/5
Proportion of the box of chocolates that do not contain nuts = 1 - 1/5 = 4/5
Therefore, we have in a box of chocolates with five chocolates;
The number of chocolates that contain nuts = 1
The number of chocolates that do not contain nuts = 4
Which gives the ratio of the number of chocolates that contain nuts to the number of chocolates as 1:4.