Question 398244


89, 64, and 73.

A)How many points do you need on the final to average 70?

{{{(89+ 64+ 73+x)/4=70}}}

{{{89+ 64+ 73+x=70*4}}}

{{{226+x=280}}}

{{{x=280 -226}}}

{{{x=54}}}


B)If the Final carries double weight how many points do you need to average 70



{{{(89+ 64+ 73+2x)/4=70}}}

{{{2x=54}}}

{{{x=27}}}