Answer:
Mike answered 12 questions correctly on his test.
Step-by-step explanation:
Given:
Mike had 15 questions for chemistry text.
Of these questions mike answered 80% of them correctly.
Now, to find the questions Mike correctly answer on his test.
Total number of questions for the chemistry test = 15.
Rate of questions correctly answered = 80%.
So, to get the number of questions Mike had correctly answered:
[tex]80\%\ of \ 15[/tex]
[tex]=\frac{80}{100}\times 15[/tex]
[tex]=0.80\times 15[/tex]
[tex]=12.[/tex]
Therefore, Mike answered 12 questions correctly on his test.
