Anyone here good at math like i have an 8th grade quiz and I need help on one question
1 answer:
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<u>Understanding:</u>
The sum of a geometric series is, , with a being the start point and r is the common ratio. We can also use the following formula to make life easier
, a is your start point, r is the common ratio, and n is the number of terms, which in our case is S7.
<u>Solution:</u>
Our start point is 1, ,
The common ratio is 5, ,
And finally, the number of terms is 7, .
The answer is [A] 19531.
Explanation:
Each box contains
The ratio that compares the number of blueberry bagels in one box to the number of onion bagels in one box will be calculated below as
This means that for every one onionbagels in the box, there are 2 blueberry bagels
Part B:
Given that there are 20 blueberry bagels, the number if onion bagels will be calculated below as
Hence,
The final answer is