Suppose that you have $75 in your savings account and you save an additional $5 per week. Your friend has $30 in his savings account and saves an additional $10 per week. In how many weeks will you both have the same amount of money in your accounts?

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?