Macro needs 90 megabytes of storage to store the whole video.
Step-by-step explanation:
Video downloaded = 80%
Data storage used = 72 MB
Let, x be the total data storage required for storing the whole video.
Therefore,
80% of x = 72
Dividing both sides by 0.8
Macro needs 90 megabytes of storage to store the whole video.
Keywords: percentage, division
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