Answer:
.408, 480, 4080, 4800
Step-by-step explanation:
Answer:
3/5
Step-by-step explanation:
If the poster is 6 by 18, and it increases by a factor 7/2, then you multiply both the height and length by 7/2:

Therefore, the new height is 21, and the new length is 63.
<span>6x+y=13 / *(-1)
3x+y=4
-------------
-6x-y= -13
3x+y = 4
========== + + +
-3x / = -9
x=2
x=2 => </span>3x+y=4
3*2 + y=4
6+y=4
y=4-6
y= - 2