jamesegrant14
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Distance, Rate, and Time Relationship
On Wednesday you drove from home to work at 69 mph and got there in 32 minutes. On Thursday you drove at 77 mph.

Use the formula: R1T1 = R2T2, R is how fast and T is time.
Round answers to the nearest 10th

How long does the trip take on Thursday in minutes?

How much time did you save by driving 8 mph faster?
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Respuesta :

sqdancefan

Answer:

  • 28.7 minutes on Thursday
  • 3.3 minutes were saved

Step-by-step explanation:

R1·T1 = (69 mph)(32 min) = 2208 (mi·min/h)

R2·T2 = 2208 (mi·min/h) = (77 mi/h)·T2

T2 = 2208/77 min ≈ 28.7 min . . . . . travel time on Thursday

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Time saved was 32 -28.7 = 3.3 . . . minutes were saved

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