Awater tank already contains 55 gallons of water when baxter begins to fill it. water flows into the tank at a rate of 8 gallons per minute. write a linear equation to model the situation. write an equation that shows how long it will take to get 127 gallons of water.

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.