Isabella's graduation picnic costs $3 for every attendee. At most how many attendees can there be if Isabella budgets a total of
1 answer:
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Answer:
Step-by-step explanation:
Given
Garden:
One Bag:
Requires
Determine the number of bags to cover the whole garden
This is calculated as thus;
Expand the numerator
Express 81 as 9²
Evaluate as difference of two squares
Hence, the number of bags is
Since we have a cubic root, we're interested in factoring cubes inside the root, so that we can take them out. If we factor 648, we have
So, we have
And the result simplifies to