Alyson walks 2 ³/₄ blocks to school. Katie walks 3 ¹/₄ blocks to school. If Robert walks as far as Alyson and Katie combined, how long is Robert's walk to school?

1.   ?    5 ⁴/₄ blocks
2.   ?    6 blocks
3.   ?    Study

Evaluate ⁹/₁₆ - n for n = ⁵/₁₆

1.   ?    ⁴/₁₆
2.   ?    ¹/₄
3.   ?    Study

Evaluate ⁸/₁₁ + n for n = ³/₁₁

1.   ?    ¹¹/₁₁
2.   ?    1
3.   ?    Study

Raymond spent ¹/₆ of an hour completing his math homework, ³/₆ working on spelling, ²/₆ reading and ⁵/₆ preparing his geography project. What mixed number represents the total amount of time Raymond spent on his homework?

1.   ?    ¹¹/₆ of an hour
2.   ?    1 ⁵/₆ hours
3.   ?    Study