Answer:
5/12 - 4/5 = -23/60. You can't simplify -23/60. Hope this is right
Step-by-step explanation:
4/5= 48/60
5/12 = 25/60
25/60-48/60= -23/60
the answer is $20.70
He leaves $0.75
10%=0.125
0.125x6= 0.75 = 60%
475.2
682 is 1.55 of the original amount so 1.55x=682
682/1.55=440
440*1.08=475.2