You can use the interactive graph below to find the solution. \begin{cases} y=-5x+6 \\\\ y=3x-2 \end{cases} ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ y=−5
x+6 y=3x−2 
1 answer:
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Answer:
4 miles per hour
Step-by-step explanation:
Let the miles jogged be directly proportional to the hours taken hence we say that m=kh where m is miles, k is constant of proportionality and h is the number of hours. Making k the subject of the formula then . Substituting miles jogged with 3.5 miles and hours with 7/8 hours as given then
Therefore, the constant of proportionality is 4 miles per hour