Tanisha grew by 15 cm in the past year, and is now 1.5 meters tall. How tall in cm was Tanisha last year?

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.