PLZ HELP ASAP->

If rt is greater than ba, which statement must be true ?

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.