6Avani had $350 when she started her savings account. She withdrew $50 to buy a gift for her mom. What percent of her original savings did Avani withdraw? Round your answer to the nearest percent. Please help!!

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.