Ravi cut away 1.55 maters of rope. Befor that, he had 3 meters of rope. How much rope does Ravi have left ?

Enter the missing numbers in the boxes to complete the table of equivalent ratios. time (min) distance (km)? 36 9? 1512 ?

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?

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.