800/100 = 8
800 is 100 times as much as 8
Answer:
The length is 72
Step-by-step explanation:
length x width = area
9 x length = 648
length = 72
The first digit in will be in the hundreds place.

Add 7 to both sides

At the left hand side 7 will cancel 7
At the right hand side 7 will add up

Divide through by 2

simplify the fraction

Answer:
40ft
Step-by-step explanation:
Please kindly see the attached file for more explanation