Answer:
15
Step-by-step explanation:
$17.7 rounded to $18
$3.25 rounded to $3
$18 - $3 = $15
5+2, 2+5, 4+3, 3+4, 6+1, 1+6, 7+0, 0+7
Hope this helps!
Sorry need points for help
2 is the gcf.