Answer:
11.65
Step-by-step explanation:
3x+99x=102x
1188/102=11.65
Answer:
or 
Step-by-step explanation:
we know that
To find the unit rate divide 27 1/5 by 4/5
but first
Convert mixed number to an improper fraction

so

3×6/8 reduce is 3× 3/4= 3/1×3/4=9/4 or 2 1/4
Answer:
4r to the power of 2 - 3r +1