William earns 1.75% commission on all sales at the electrical goods store where he works. If William earns $35 in commission on the sale of one
television, how much did the TV sell for?

Hint I was given* : 1.75% is $35. Find 1%, then 100%

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.