emmaleee68
Answered

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There were red lights on at 4 of the 10 traffic signals when traveling on the bus yesterday afternoon. What percentage of the traffic signals were green? (HOW DID YOU GET YOUR ANSWER, PLEASE SHOW YOUR WORK!!! DO NOT BOTHER ANSWERING THE QUESTION IF YOU DO NOT SHOW YOUR WORK!!)
A. 12
B. 1/169
C. 11 1/8
D. 60%
E. 0.5
F. 2/112
G. 25%
H. 0.25
I. 25

Sagot :

chocklt8804

Answer:

4÷10 = 25% not sure on this one

sqdancefan

9514 1404 393

Answer:

  D.  60%

Step-by-step explanation:

You can work multiple choice questions a number of ways. One of the most effective is to eliminate unreasonable choices.

Only two percentages are listed among the answer choices: 60% and 25%. You know that more than half of the lights were green, so the only reasonable choice is 60%.

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If we assume lights are either red or green, then 4 of 10 red lights means 6 of the 10 lights were green. As a percentage, that fraction is ...

  6/10 × 100% = 60%

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