liz has scores of 87,75.82and 93 he wants to raise the mean to 87

Mathematics
Tutor: None Selected Time limit: 1 Day

i need help

Apr 28th, 2015

Pls post the full question.........................................................................................................................................................

Apr 28th, 2015

you there?

Apr 28th, 2015

I assume you have to find the 5th number to raise the mean to 87

(87+75+82+93+x)/5 = 87

87+75+82+93+x =87 * 5

337+x =435

x = 435- 337

  =98


Apr 28th, 2015

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