Four milliliters of ink a is added to 10 milliliters of ink b, forming a mixture of inks. ink a contains 10% blue pigment. ink b contains an unknown percentage of blue pigment. the mixture of the two inks contains 35% blue pigment. what percentage of blue pigment is in ink b?
45%
49%
60%
75%

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual 

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.

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120