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Around 1900, fishermen in the Chesapeake Bay area landed more than

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Re: Around 1900, fishermen in the Chesapeake Bay area landed more than  [#permalink]

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New post 31 Aug 2019, 09:14
lower amount would be incorrect, because amount (quantity) cannot be lower; amount is always lesser.
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Re: Around 1900, fishermen in the Chesapeake Bay area landed more than  [#permalink]

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New post 24 Sep 2019, 09:52
Hello expert, can you explain the reason for using "less than", although "four million pounds" is countable here?
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Re: Around 1900, fishermen in the Chesapeake Bay area landed more than  [#permalink]

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New post 29 Sep 2019, 17:08
Can someone explain when to use "lower than" or "less than"?

Thank you for your help
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Re: Around 1900, fishermen in the Chesapeake Bay area landed more than  [#permalink]

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New post 25 Oct 2019, 09:15
@GMATclubNinja could you weigh in
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Re: Around 1900, fishermen in the Chesapeake Bay area landed more than  [#permalink]

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New post 30 Nov 2019, 17:55
Responding to a question that appeared on our Ask Me Anything About SC thread -- and I figured that it might help somebody here, too:

Rachna23 wrote:
Hi Ninja,

Can you please explain the use of past perfect tense in this sentence (Official question, link at the end of query):

Around 1900, fishermen in the Chesapeake Bay area landed more than seventeen million pounds of shad in a single year, but by 1920, over-fishing and the proliferation of milldams and culverts that blocked shad from migrating up their spawning streams had reduced landings to less than four million pounds.

The discussions on the forum say that since the action happened before 1920 so past perfect should be used. However, there are not 2 but 3 time periods in the question - around 1900, between 1900 and 1920, and 1920. If we are using simple past for the first action/time 'around 1900, fishermen......landed....', then how is the use of past perfect justified for second time/action.

https://gmatclub.com/forum/around-1900-fishermen-in-the-chesapeake-bay-area-landed-more-than-203779.html

Good question! Generally speaking, the relevant time period will be the one designated in the clause that the verb appears in. For example:

    "This morning Tim promised his wife that he would feed his children three nutritious meals today, but by early evening, it was clear that he had fed them nothing but a handful of Cheetos dipped in ketchup."

"Early evening" designates the time period. Because Tim fed his kids Cheetos before the early evening, and the early evening was in the past, "had fed" is correct here. The fact that there's another time period mentioned in a different clause is irrelevant.

Same deal here:

    "By 1920, over-fishing and the proliferation of milldams and culverts...had reduced landings to less than four million pounds."

"By 1920" is an adverbial modifier specifying the time period for the action. Because the action, "reduced" happened before 1920, which is also in the past, it's appropriate to write "had reduced" here.

Takeaway: Don't overthink past perfect usage. If you see "had", all you're asking is yourself is whether the action in question took place before something else in the past. If it did, "had" is acceptable.

I hope that helps!
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Re: Around 1900, fishermen in the Chesapeake Bay area landed more than  [#permalink]

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New post 03 Dec 2019, 11:54
sajon wrote:
Hello expert, can you explain the reason for using "less than", although "four million pounds" is countable here?

Excellent question! When we're talking about measurements, which can be expressed as non-integer values, it's appropriate to use "less."

    For example, "Tim's doctor has ordered him to drink less than 2 gallons of milk a day, advice that Tim's family certainly appreciates, given his severe lactose intolerance."

Because Tim could potentially drink 1.7 gallons or .3 gallons, we treat this a little differently than if we were talking about countable items that could be expressed solely as integer values.

Same deal here. Because pounds represent a measurement that can be expressed as a non-integer value, it's entirely acceptable to write "less."

For more on countable and non-countable modifiers, check out this video.

I hope that helps!
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Re: Around 1900, fishermen in the Chesapeake Bay area landed more than  [#permalink]

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New post 03 Dec 2019, 11:58
Alexisauch01 wrote:
Can someone explain when to use "lower than" or "less than"?

Thank you for your help

Great question!

"Lower than" can be used to compare locations or figures.

    1) Location: Tim's roof appears to be lower than his neighbor's roof.

    2) Figures: This year's unemployment rate is lower than last year's.

If we're writing about quantities of something, and those quantities are either non-countable or measurements that can be expressed as non-integer values, we'd use "less than."

In this question, we're not talking about a figure, such as an unemployment rate. We're talking about a measurement (pounds) that be expressed as a non-integer, so "less than" is appropriate.

If you want more practice, a very similar issue appears in this GMATPrep question.

I hope that helps!
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Re: Around 1900, fishermen in the Chesapeake Bay area landed more than   [#permalink] 03 Dec 2019, 11:58

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