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20 Jan 2019, 06:38
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
(N/A)
Question Stats:
50% (01:12) correct
50%
(03:00)
wrong
based on 2
sessions
History
Date
Time
Result
Not Attempted Yet
Overseas Family international International Limitless International Limitless
(Evening&Weekends) (Rest of the time)
Call to landlines：0.028 0.087 0.237 0.145
Tanya and Trisha are using the Overseas Family International plan and International Limitless plan respectively. In July, both make 10 landlines calls each. What is the approximate duration of each call (in minutes) if both paid equal amounts in July? A) 1.5 B) 2.5 C) 3.0 D) 4.5 E) 5.0
The equation I formulated was : 0.028xX=0.087xY (X denotes the number of minutes that Ta made and Y denotes the number of minute that Tr made)
X/Y=87/28,
X+Y=115
115/20(calls)=about 5.7 (wrong answer)
Can anyone tell me how to solve it?
(Evening&Weekends) (Rest of the time)
Call to landlines：0.028 0.087 0.237 0.145
Tanya and Trisha are using the Overseas Family International plan and International Limitless plan respectively. In July, both make 10 landlines calls each. What is the approximate duration of each call (in minutes) if both paid equal amounts in July? A) 1.5 B) 2.5 C) 3.0 D) 4.5 E) 5.0
The equation I formulated was : 0.028xX=0.087xY (X denotes the number of minutes that Ta made and Y denotes the number of minute that Tr made)
X/Y=87/28,
X+Y=115
115/20(calls)=about 5.7 (wrong answer)
Can anyone tell me how to solve it?
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03 Mar 2023, 01:18
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