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Algebra 17 Online
OpenStudy (anonymous):

Baird and Lon earned points for the number of books and magazines they read over the summer. The average of the two boys’ points can be expressed as (5.4p+5)+(8+3.2p) /2 , where p represents the number of points earned per book. What is the average when p = 3?

OpenStudy (anonymous):

@Daniellelovee

OpenStudy (ajspeller):

Just substitute in the value of 3 for the p in the expression.

OpenStudy (daniellelovee):

substitution

OpenStudy (anonymous):

5.4 + 5 * 3 and 8 + 3.2 * 3

OpenStudy (daniellelovee):

no is 5.4(3)+5

OpenStudy (anonymous):

31.2 and 33.6

OpenStudy (daniellelovee):

no sorry

OpenStudy (daniellelovee):

|dw:1421116650518:dw|

OpenStudy (daniellelovee):

now just divide and you get 19.4

OpenStudy (anonymous):

Oh thanks ^-^

OpenStudy (daniellelovee):

np :)

OpenStudy (daniellelovee):

thank you for the medal :)

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