Answer:
15 seconds
Step-by-step explanation:
Because the split id 25% and 75%, we could create another average pretending that there are four kids, one who ran in 12 seconds, and three who ran in 16.
Equation for averages: (a₁ + a₂ + a₃ + ...
)/ n
Plug in:<em> (12 + 16 + 16 + 16)/4</em>
Add: 60/4
Divide: 15 seconds
Step-by-step explanation:
the answer is in the image above
pls give me brainliest
Answer:
8
Step-by-step explanation:
8 division unless it multiplication
Answer:
I'm not sure what to do here
Step-by-step explanation: