payshencec21 payshencec21

09-04-2018
Mathematics

contestada

Write and solve an equation to find the value of the variable.

5.2, 8.3, 8.5, 7.7, 7.8, y; mean = 7.1

5.8

5.1

5.3

3.9

Respuesta :

09-04-2018

well the first thing you have to do is find the sum of the numbers given. 5.2 + 8.3 + 8.5+ 7.7+ 7.8= 37.5

the equation would now be 37.5+y/6 = 7.1

After this you multiply 7.1 by 6 which is 42.6 turning the equation to 37.5 + y = 42.6.

Then you subtract 37.5 from 42.6 making y =5.1

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