Well first you need to find the unit rate. Divide 15 by 3.....get 5 minutes for 1 mile. Then you would multiply 5 by 8 which is 40 so 40 minutes (B) is your answer :)
Answer:
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Answer:
4.05
Step-by-step explanation:

multiply the following
add the sum (3.5+0.55)
you'll get 4.05
Answer:
4.5
Step-by-step explanation:
Mean = (4+5+6+3)/4 = 4.5 bubbles
The 4th one, since both values have less than .5 after the decimal