Good job to everyone who got the right answer (and Kudos)!
OE:
This question tests two common components of the GMAT: Countable items and Subject-Verb agreement.
In this question, we are looking at balloons. Balloons are a countable item, so we need to use 'number', instead of 'amount'. Amount corresponds to an item that is not countable. Here is a link for reference: https://sites.google.com/site/englishfm
...
OE:
This question tests two common components of the GMAT: Countable items and Subject-Verb agreement.
In this question, we are looking at balloons. Balloons are a countable item, so we need to use 'number', instead of 'amount'. Amount corresponds to an item that is not countable. Here is a link for reference: https://sites.google.com/site/englishfm
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