Question 177977
{{{70<=(2/3)(48)+(1/3)x<=79}}}
:
{{{70<=32+(1/3)x<=79}}}
:
{{{38<=(1/3)x<=47}}}
:
{{{114<=x<=141}}}
:
It never states what the possible total is.  If the possible points are only 100 then there is no way to reach this range of scores to avg between 70-79 inclusive.