Answer:
Charles completed the quiz problems at the slowest rate
Step-by-step explanation:
we know that
To find out the unit rate divide the number of quiz problems by the time employed
1) Maya completed 15 quiz problems in 10 minutes
so
[tex]\frac{15}{10}=1.5\ quiz\ problems\ per\ minute[/tex]
2) Andrew completed 12 quiz problems in 8 minutes
so
[tex]\frac{12}{8}=1.5\ quiz\ problems\ per\ minute[/tex]
3) Charles completed 16 quiz problems in 16 minutes
so
[tex]\frac{16}{16}=1\ quiz\ problem\ per\ minute[/tex]
Compare the unit rates
1 < 1.5
therefore
Charles completed the quiz problems at the slowest rate
