a eqation for a student has a saving acount with 475 in it. she depsots 125 of her paycheck into the account eveyweek her goal is to save 7,000 for coullge

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.