Answer:
$440
Step-by-step explanation:
notes $2 - n
notes $10 - m
n + m = 80 ----------> m = 80 - n
1 - 2/5 = 3/5
[tex]\frac{3}{5} * n = m - 8[/tex]
[tex]\frac{3}{5} * n = 80 - n - 8 \\\\\frac{3}{5} * n + n = 72\\\\\frac{8}{5} * n = 72\\n = 45 \\m = 35\\[/tex]
45 * $2 + 35 * $10 = 90 + 350 = $440