18+12*4=18+48=66 ft
1st floor is 18ft
next 4 are 12ft
Answer:
0.09 is 10 times 0.009
Step-by-step explanation:
0.09 x 10 = 0.009
Which means 0.09 is 10 times greater than 0.009
Answer: B
Step-by-step explanation:
P=2(L+W)
first one
P=2(6+4)
P=2(10)=20
doubled
12 and 8
P=2(12+8)
P=2(20)
P=40
the change is i20
percent change=change/original
change/original=20/20=1=100%
100% change