$20 a month. if u subtract the amount that she started with from $85, you get $60. $60 divided by 3 months is $20 a month
It equals 18.32 you can go to calculatorsoup.com and it shows you
3(100-b) = 6b
300-3b = 6b
+3b +3b
300 = 9b
/9 /9
b=33.33333... or 33 1/3
Hope this helps!
Answer:
sorry I don't know tbh
Step-by-step explanation:
I not sure how to do this hope someone can help