Whenever you encounter a quantitative question with answer choices, be sure to SCAN the answer choices __before__ performing any calculations. In many cases, the answer choices provide important clues regarding how to best solve the question.

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General GRE Math Strategies## Awesome!

## the best!!!

## I'm confused on the last

## Once we know that we can

Once we know that we can rewrite the sum as a bunch 65's, we need to determine how many 65's there are to add. We do that using the formula y-x+1. For more on this, see the following video - https://www.greenlighttestprep.com/module/gre-word-problems/video/930

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## I've never had problems with

## I find it more intuitive for

## That's a perfectly valid

That's a perfectly valid approach!

Cheers,

Brent