HELP SOON The average weight of eleven people at a party is 138 pounds. When two people arrive late to the party, the average increase

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HELP SOON
The average weight of eleven people at a party is 138 pounds. When two people arrive late to the party, the average increase to 148. What is the average weight of the two people who arrived late?

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Euphemia 3 years 2021-08-24T23:53:47+00:00 1 Answers 4 views 0

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  1. linhdan
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    2021-08-24T23:55:00+00:00
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    11 people x 138 = 1,518 total pounds.

    13 people x 148 = 1,924 total pounds.

    Difference = 1924 – 1518 = 406 pounds.

    Average weight  = 406/2 = 203 pounds

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