Jessica runs 8 feet per second, debbie runs 637 ft in 49 secs, katie runs 1 mile in 511 secs and tony runs 550 ft in 1 min. who runs the fastest?

Which table shows a proportional relationship between miles traveled and gas used?

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

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.