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29-08-2014
Mathematics

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Sara is driving home from college for the weekend. The average speed of her car for the trip is 45 miles per hour. Write a verbal model and algebraic expression to represent the distance Sara's car travels in h hours. Identify the units for the expression

Answer :

29-08-2014

[tex]General\ formula\ for\ speed:\\V=\frac{s}{h},\ where\ V-speed,\ s-distence\ ,h-time\\\\s=Vh\\\\When\ speed\ is\ in\ mph,\ then\ distance\ have\ to\ be\ in\ miles\ and\ time\\in\ hours.[/tex]

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