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Michiko usually runs d miles in t minutes, but today she ran an extra 9 miles, which took her an extra 70 minutes. Write the equation for her normal speed: r0= Now, write the equation for her speed today:
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Michiko usually runs d miles in t minutes, but today she ran an extra 9 miles, which took her an extra 70 minutes. Write the equation for her normal speed: r0= Now, write the equation for her speed today: rT=

User SneakyShrike
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1 Answer

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Usual distance michiko runs= d miles
Time=t
normal speed= r₀
speed today= r₁

According to the question,
r₀= d/t
r₁= d+9/t+70.
User Slashr
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