Find the sum of the summation of 3 i minus 15, from i equals 2 to 7.

Step-by-step explanation:

Given :

We have to evaluate the given summation.

Consider

using, we have,

     ..............(1)

Consider,

Apply sum rule,

, we have,

Now, first consider,

Apply constant multiplication rule, we have,

Also,

Thus,

Similarly,

Substitute in (1) , we have,

Thus,

Thus,

answer: the 4 kilogram bag

step-by-step explanation: this is because if you divide the number of kilograms into the total it will tell you how much each individual kilogram would be worth. 2 kilos is 7 and change 3 would be around 6 ish and the 4 kilo would be 4.6 and change and the 5 kilos would be like 4.88

answ5

step-by-step explanation:

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