Last week Tiffany practiced her bassoon a total of 7 hours. This was 2 hours more than she practiced the previous week. How many hours did Tiffany practice the previous week?
Multiple Representations Use the table to solve. a. Symbols The difference in speeds of Son of Beast and The Rattler is 13 miles per hour. If Son of Beast has the greater speed, write and solve a subtraction equation to find its speed.
b. Diagram The Rattler has a drop that is 52 feet less than El Toro. Draw a bar diagram to the right and write an equation to find the height of The Rattler.
c. Words Let h represent the height of the Colossos roller coaster. Explain why h + 10 = 180 and h + 48 = 218 are equivalent equations. Then explain the meaning of the solution.
Multiple Representations Use the table to solve. a. Symbols The difference in speeds of El Toro and T Express is 5 miles per hour. If El Toro has the greater speed, write and solve a subtraction equation to find its speed.
c. Words Let h represent the height of the Colossos roller coaster. Explain why h - 13 = 184 and h - 34 = 163 are equivalent equations. Then explain the meaning of the solution.