Consider the following equivalent expressions: 38÷1312 and 38⋅ab. what are the values of a and b? give the value of a followed by the value of b, separated by a comma. the value of a and the value of b should be the smallest possible non-negative whole number for each. nothing

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.