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Which of the following examples has a unit rate of 50 miles per hour? Select all that apply.


A) 250 miles in 5 hours

B) 300 miles in 5 hours

C) 200 miles in 4 hours

D) 240 miles in 4 hours

E) 700 miles in 14 hours

Sagot :

Velveryy

Answer:

I believe your answer would be the following:

A) 250 miles in 5 hours.

C) 200 miles in 4 hours

E) 700 miles in 14 hour

Step-by-step explanation:

Unit rate = 50

A) 250 miles in 5 hours // 50*5 = 250 (CORRECT)

B) 300 miles in 5 hours // 50*5 ≠ 300 (WRONG)

C) 200 miles in 4 hours // 50*4 = 200 (CORRECT)

D) 240 miles in 4 hours // 50*4 ≠ 240 (WRONG)

E) 700 miles in 14 hours // 50*14 = 700 (CORRECT)

Hope this helps! :)

Answers: Choice A, Choice C, Choice E

=========================================================

Explanation:

We use this formula

speed = distance/time

to divide each pair of values given.

  • For choice A, we have speed = distance/time = 250/5 = 50 mph which shows choice A is one of the answers.
  • Choice B doesn't work though because 300/5 = 60 mph.
  • Choice C works since 200/4 = 50 mph.
  • Choice D doesn't work: 240/4 = 60 mph
  • But choice E does work: 700/14 = 50 mph

To summarize, we got the following speeds

  • A) 50 mph
  • B) 60 mph
  • C) 50 mph
  • D) 60 mph
  • E) 50 mph
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