Michelle has a jewelry box shaped like a rectangular prism as shown. she wants to cover it in decorative paper

Explain why the factor 1.5 is broke. into two numbers in the model.

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.

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)