Math Problem Statement
olof kör på en motorväg med en konstant hastighet av 105kmh utom under 12 min då han gör en kort paus. hur lång tid tar resan om medelhastigheten för hela resan är 92kmh?
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Average Speed
Formulas
v_m = \frac{\text{total sträcka}}{\text{total tid}}
v_m = \frac{v_f \cdot (t - t_p)}{t}
92t = 105(t - 0.2)
Theorems
-
Suitable Grade Level
Grades 9-11
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