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Author Question: A car is making a 12-mile trip. It travels the first 8.0 miles at 30 miles per hour and the last 4.0 ... (Read 55 times)

HCHenry

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on: Jul 29, 2018
A car is making a 12-mile trip. It travels the first 8.0 miles at 30 miles per hour and the last 4.0 miles at 60 miles per hour. What is the car's average speed for the entire trip?
 
  A) 36 mph
  B) 40 mph
  C) 44 mph
  D) 48 mph
  E) 52 mph

Question 2

A car is making a 12-mile trip. It travels the first 6.0 miles at 30 miles per hour and the last 6.0 miles at 60 miles per hour. What is the car's average speed for the entire trip?
 
  A) 20 mph
  B) 35 mph
  C) 40 mph
  D) 45 mph
  E) 50 mph


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olivia_paige29

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

C


HCHenry

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Reply 2 on: Jul 29, 2018
Excellent

okolip

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Reply 3 on: Yesterday
Wow, this really help

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