Answer:
.12 = 12/100 or 4/25 I'm not sure if I'm correct but I tried, I'll try solving the other ones and update you
.250 = 25/100 which simplified is 5/20
Step-by-step explanation:
.12 = 3 over 25
.250 = 1 over 4
.3 = 3 over 10
.85 = 17 over 20
.300 = 3 over 10
.05 = 1 over 20
n+7=17
n=17-7
n=10
