1 / 8

Lesson 4-8 Rate-time- Distance Problems

Lesson 4-8 Rate-time- Distance Problems. D = rt D=distance r= speed t= time. 1. At noon a private plane left Austin for Los Angeles, 2100 Km away, flying at 500 km/h. One hour later a jet left Los Angeles for Austin at 700 km/h. At what time did they pass each other?.

jeanfarley
Télécharger la présentation

Lesson 4-8 Rate-time- Distance Problems

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Lesson 4-8 Rate-time- Distance Problems D = rt D=distance r= speed t= time

  2. 1. At noon a private plane left Austin for Los Angeles, 2100 Km away, flying at 500 km/h. One hour later a jet left Los Angeles for Austin at 700 km/h. At what time did they pass each other?

  3. 500t + 700(t – 1)=2100 • 500t + 700t – 700= 2100 • +700=+700 • 1200t = 1400 • 1200 1200 • t= 1h and 20 minute • At noon 12 + 1= 13 and 20 minute • Or 1:20 P.M

  4. At 8:00 A.M. the Smiths left a campground, driving at 48 mi/h. At 8:20 A.M the Garcias left the same campground and followed the same route, driving at 60 mi/h. At what time did they overtake the Smiths?

  5. 48 t = 60( t - 1/3) • 48t = 60t - 20 • 12t = 20 t= 50 minute • The Smiths overtake at 8:50

More Related