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Seek for help on two questions

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Seek for help on two questions  [#permalink]

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New post 18 Jan 2019, 05:37
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Under the request by Bunuel, I re-post the two questions as follows,
1. To settle mutual debts, two gamblers agree that phones are worth $300 each and that watches are worth $210 each. When one gambler owes money to the other, he settles the debt in phones and/or watches, with “balance” received in the form of phones or watches as well (For example, a $480 debt could be paid with three phones, with two watches received in balance). What is the smallest amount of debt that can be settled in this way? A) 10 B) 30 C) 50 D) 70 E) 90


I am quite confused on the amount of money---from the statement, the minimum should be 210 (the watch's price)? But all of the 5 answers are below 210.

How to solve the problem?

2. Mike, Mark, and Matt can individually build a house in 12, 16, and 24 days respectively. If Mark starts building the house and receives help from Mike and Matt every second day, in how many days will they finish building the house? A) 2 B) 4 C) 6 D) 8 E) 10

I am confused on the sentence--'receives help from Mike and Matt every second day'...
Seeking help.
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Re: Seek for help on two questions  [#permalink]

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New post 18 Jan 2019, 06:04
irida wrote:
Under the request by Bunuel, I re-post the two questions as follows,
1. To settle mutual debts, two gamblers agree that phones are worth $300 each and that watches are worth $210 each. When one gambler owes money to the other, he settles the debt in phones and/or watches, with “balance” received in the form of phones or watches as well (For example, a $480 debt could be paid with three phones, with two watches received in balance). What is the smallest amount of debt that can be settled in this way? A) 10 B) 30 C) 50 D) 70 E) 90


I am quite confused on the amount of money---from the statement, the minimum should be 210 (the watch's price)? But all of the 5 answers are below 210.

How to solve the problem?

2. Mike, Mark, and Matt can individually build a house in 12, 16, and 24 days respectively. If Mark starts building the house and receives help from Mike and Matt every second day, in how many days will they finish building the house? A) 2 B) 4 C) 6 D) 8 E) 10

I am confused on the sentence--'receives help from Mike and Matt every second day'...
Seeking help.


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Re: Seek for help on two questions   [#permalink] 18 Jan 2019, 06:04
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Seek for help on two questions

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