Step-by-step explanation:
L= W+5
P= 9W
P= 2L+ 2W
9W= 2(W+5) + 2W
9W= 2W +10 +2W
9W = 4W +10
5W = 10
W = 2
L=7
P= 9(2)
P= 18
A= LW
A= 7 x 2
A= 14
Answer:
a=(d*c)/r
Step-by-step explanation:
a/c = d/r
a=(d/r) *c
a=(d*c)/r
Answer:
21.7391%
Step-by-step explanation:
21800/1002.80
Answer:
39
Step-by-step explanation:
multiply the 5 by 13 and get 65 and multiply thr 3 by 13 its 39