2n - 7 = 5n -10
-5n -5n
-3n - 7= -10
+7 +7
-3n = -3
-3/-3 -3/-3
n= 1
8160 dived by 85 equals 96, 2880 divided by 30 equals 96, therefore she can make 96 necklaces
$20.25 because 8.50 and 8.50 equal 17 and then subtract 2.00 makes 15, and then add 5.25 and you end up with 20.25
slope=0
it's a straight horizontal line when you graph it.