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Math Asked by a SnapAndSolve user · about 2 hours ago

2 1/4 - 3/4 = 13. 7 7/8 - 3 2/4 = 14. 5 1/6 - 2 1/3 = 15. On Wednesday, Lea rode the city bus for 3 7/12...

12. 2 1/4 - 3/4 =
13. 7 7/8 - 3 2/4 =
14. 5 1/6 - 2 1/3 =
15. On Wednesday, Lea rode the city bus for 3 7/12 miles. On Thursday, she rode the bus for 4 1/4 miles. How much farther did Lea ride the bus on Thursday than Wednesday?
16. The perimeter of the triangle below is 6 feet. What is the missing side length, x?

Answer

  1. 2 1/4 - 3/4 = Convert 2 1/4 to an improper fraction: 9/4. Then, 9/4 - 3/4 = 6/4 = 1 1/2.

  2. 7 7/8 - 3 2/4 = Convert 3 2/4 to 3 1/2. Convert to improper fractions: 63/8 - 14/4 = 63/8 - 28/8 = 35/8 = 4 3/8.

  3. 5 1/6 - 2 1/3 = Convert 2 1/3 to 2 2/6. Convert to improper fractions: 31/6 - 14/6 = 17/6 = 2 5/6.

  4. On Wednesday, Lea rode the city bus for 3 7/12 miles. On Thursday, she rode the bus for 4 1/4 miles. How much farther did Lea ride the bus on Thursday than Wednesday? Convert 4 1/4 to 4 3/12. Then, 4 3/12 - 3 7/12 = 4 3/12 - 3 7/12 = 16/12 - 7/12 = 9/12 = 3/4 miles farther.

  5. The perimeter of the triangle below is 6 feet. What is the missing side length, x? The other sides are 7/3 ft and 5/2 ft. Convert to a common denominator: 14/6 + 15/6 = 29/6. The perimeter is 6 ft = 36/6. So, x = 36/6 - 29/6 = 7/6 ft.

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