Answer: 110.6
Step-by-step explanation: 220 - 109.4 = 110.6
Step-by-step explanation:
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First multiply each term by 24(the common denominator found by 8×3) to remove the fractions and make things easier.

This will give you,

Then just continue to simplify and isolate the variable.



The answer is 977 seconds squared
This is an arithmetic series, so we know, that:
Sum = (First term + Last term) * Number of terms /2
Here we have:
First term = 33
Last term = 104
Number of terms = 104 - 33 + 1 = 72
and