The unit rate is 20 i think
Answer:

Step-by-step explanation:
That would be a divide by 5: 
57 3/4 divided by 5 1/4 =
231/4 divided by 21/4 =
231/4x4/21=231/21=11
Answer:
Step-by-step explanation:
The easiest way is to use the distributive rule. 15¾ = 15+ ¾
15¾*8 = (15+¾)8 = 15*8 + ¾*8 = 120+6 = 126