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 :)
Step-by-step explanation:
50+45%=72.5
50-45%=27.5
50×45%=22.5
Answer:
he cut 5 strings to pull it out
Answer: 3rd one
Rearrange the original equation so it fits the model of : ax^2+bx+c=0
Then use the quadratic formula to find all possible answers.
