ImmortalFusedZamasu ImmortalFusedZamasu

03-07-2018
Mathematics

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PLEASE HELP!!

What is the sum of the last four terms of the series 97 + 99 + 101 +. . . + 121

A. 400

B. 472

C. 418

Respuesta :

03-07-2018

Hello!

The question starts with 97 and adds 2

The full question is:

97 + 99 + 101 + 103 + 105 + 107 + 109 + 111 + 113 + 115 + 117 + 119 + 121

Last 4 numbers ⇒ 115 + 117 + 119 + 121

You have to add the 4 numbers together

115 + 117 + 119 + 121 = 472

Your answer is B. 472

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