Answer:
Step-by-step explanation:
Answer:
Its option A
Step-by-step explanation:
P=2l+2w
P=2(l+w)
P/2=l+w
P/2-l=w
(P-2l)/2=w
Answer:
x=6
Step-by-step explanation:
12x+6=78
or, 12x=72
or, x=72/12
or x= 6
Answer:
20
Step-by-step explanation:
25 + 7x = 165
25 + 7(20) = 165
25 + 140 = 165
Answer:
7
Step-by-step explanation:
because 1 = 400
2800 divided by 400 = 7