Aperson can pay $26.55 for a membership to the science museum and then go to the
museum for just $1 per visit. what is the maximum number of visits a member of the
science museum can make for a total cost of $35.55?

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.