Answer:
70%
Step-by-step explanation:
initial height= 9 feet
final height =2.7
change in height = 9 - 2.7 = 6.3
to find percent of change in height,
6.3/9 × 100 = 0.7 × 100 = 70%
70
9/100=0.09
9-2.7=6.3
6.3/0.09=70
9, -3
the answer is 8
add all four in n the half of the others 2 =1