X+y=57
x-y=33
make first one in x= form
x=-y+57
x-y=33
-y+57-y=33
-2y+57=33
-2y=-24
y=12
plug in to find x
x-y=33
x-12=33
x=45
Answer:
13/20
Step-by-step explanation:
P ( jacket ) =number of jackets/ total
= 13/ 20
Answer:
.5 < x < 16.5
Step-by-step explanation:
The smallest x can be is greater than the difference of the other two sides
8.5 -8 = .5
The largest x can be the less than the sum of the two sides
8.5+8 = 16.5
.5 < x < 16.5
Answer:
$23.41
Step-by-step explanation:
$9.95 + $13.46 = $23.41