Answer:
$0.90
Step-by-step explanation:
$3.12+$0.98=$4.10
5-4.1=0.9
6x-7=4x+23
6x-4x=23+7
2x=30
2x/2 = 30/2
X=15
hence, 4(15)+23
60+23=83
B+83=180
B=180-83
B=97
60%
9/15 as a decimal is 0.6 (use calculator) as a percentage it's %60 (0.6 * 100)
