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usage of the word 'plateau' ?

Posted: Wed Apr 01, 2015 1:53 pm
by cosmostronomer
Hi,

I was just writing an essay for IELTS academic writing task1, and there was a line graph that reached a plateau. The Y-axis value(the number of passengers) was 400, and I want to put this in a sentence.

It reached a plateau between 12:30 and 14:30 (at/with/?) 400....? This is where I stopped.

Some help would be very thankful. :)

PS. could anyone tell me whether writing time using a colon is alright? Is there any other way of writing time?(It has got a little bit repetitive..)

Thanks again, and please correct any grammatical mistakes or so.