To find the ratio of plain blue bugs to the total number of bugs, we first determine the total number of bugs.
- Number of blue bugs: 10
- Number of red bugs: 2
Total number of bugs = Number of blue bugs + Number of red bugs = 10 + 2 = 12
Next, we can establish the ratio of plain blue bugs (which are the blue bugs, assuming all blue bugs are plain) to the total number of bugs:
The ratio of plain blue bugs to total bugs = Number of blue bugs : Total number of bugs = 10 : 12
To simplify the ratio, we can divide both numbers by their greatest common divisor (GCD), which is 2:
10 ÷ 2 = 5
12 ÷ 2 = 6
Thus, the simplified ratio of plain blue bugs to the total number of bugs is 5:6.
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