If the three classes have debts of x,y,z then we know that
y = x+458
z = x+1165
x+y+z = 6543
Now just crank it out.
The average debt for juniors exceeds the debt for sophomores by
$ 458$458,
and the average debt for seniors exceeds the debt for sophomores by
$1165.
The combined debt for a sophomore, a junior, and a senior is
$6543.
Determine the average debt for a sophomore, a junior, and a senior.
The average debt of a sophomore is
1 answer
1 answer