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05 May 2021, 04:45
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A
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Difficulty:
45%
(medium)
Question Stats:
74% (02:40) correct
26%
(02:53)
wrong
based on 210
sessions
History
Date
Time
Result
Not Attempted Yet
Bon-Bean, a coffee shop, served a total of 460 cups of coffee and tea yesterday. 270 of these cups contained caffeine, and the number of decaffeinated tea cups was twice the total number of tea cups that contained caffeine. If Bon-Bean served 250 coffee cups yesterday, how many of them were decaffeinated?
A. 50
B. 70
C. 140
D. 190
E. 210
A. 50
B. 70
C. 140
D. 190
E. 210
05 May 2021, 05:05
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Answer= A
C+T=460
Coffee=250
Total=460-250
Tea=210
Total tea=Decaf tea+caffeine tea
Decaf tea= 2*caffeine tea
210= 1 caffeine tea +2 caffeine
210 =3caffeine tea
70= caffeine tea
140 = Decaf tea
Total Decaf = 190 (460-270)
Total Decaf -decaf tea = Decaf coffee
190 - 140 = 50.
Posted from my mobile device
C+T=460
Coffee=250
Total=460-250
Tea=210
Total tea=Decaf tea+caffeine tea
Decaf tea= 2*caffeine tea
210= 1 caffeine tea +2 caffeine
210 =3caffeine tea
70= caffeine tea
140 = Decaf tea
Total Decaf = 190 (460-270)
Total Decaf -decaf tea = Decaf coffee
190 - 140 = 50.
Posted from my mobile device
05 May 2021, 06:19
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Bon-Bean, a coffee shop, served a total of 460 cups of coffee and tea yesterday. 270 of these cups contained caffeine, and the number of decaffeinated tea cups was twice the total number of tea cups that contained caffeine. If Bon-Bean served 250 coffee cups yesterday, how many of them were decaffeinated?
Tea +Coffee = 460 then, Tea= 460 - 250 = 210
decaffeinated tea cups + caffeinated tea cups = Total tea cups = 210
or, 2*caffeinated tea cups + caffeinated tea cups = 210 or, caffeinated tea cups = 210/3 = 70
Now, decaffeinated cups = Total cups - caffeinated cups = 460 - 270 = 190
And, decaffeinated coffee cups = 190 - decaffeinated tea cups = 190- 140 = 50.
So, I think A.
Tea +Coffee = 460 then, Tea= 460 - 250 = 210
decaffeinated tea cups + caffeinated tea cups = Total tea cups = 210
or, 2*caffeinated tea cups + caffeinated tea cups = 210 or, caffeinated tea cups = 210/3 = 70
Now, decaffeinated cups = Total cups - caffeinated cups = 460 - 270 = 190
And, decaffeinated coffee cups = 190 - decaffeinated tea cups = 190- 140 = 50.
So, I think A.
