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23 Nov 2015, 12:49
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
88% (01:14) correct
12%
(01:42)
wrong
based on 296
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History
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Not Attempted Yet
Joe went on a diet 6 months ago when he weighed 222 pounds. If he now weighs 198 pounds and continues to lose at the same average monthly rate, in approximately how many months will he weigh 180 pounds?
(A) 3
(B) 3.5
(C) 4
(D) 4.5
(E) 5
(A) 3
(B) 3.5
(C) 4
(D) 4.5
(E) 5
23 Nov 2015, 13:08
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Bunuel
222 - 198 = 24 pounds lost in 6 months
24/6 = 4, so Joe is losing weight at a rate of 4 pounds per month.
...in approximately how many months will he weigh 180 pounds?
A simple approach is to just list the weights.
Now: 198 lbs
In 1 month: 194 lbs
In 2 months: 190 lbs
In 3 months: 186 lbs
In 4 months: 182 lbs
In 5 months: 178 lbs
Since 180 pounds is halfway between 182 and 178, the correct answer must be 4.5 months.
Answer: D
Cheers,
Brent
General Discussion
09 Dec 2015, 01:03
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joe weighed 222 pounds at the beginning of the programme
after 6 months he weighed 198 , difference =222-198=24 pounds
average =24/6=4 a month
no months taken to weigh 180 pounds ==> (198-180)/4=18/4=4.5 months
after 6 months he weighed 198 , difference =222-198=24 pounds
average =24/6=4 a month
no months taken to weigh 180 pounds ==> (198-180)/4=18/4=4.5 months
