X=skirt
y=sweater
z=shoes
x+y+z=165
y=8/7x
z=x+11
plug it in
x+(8/7x)+(x+11)=165
2x+8/7x=154
22/7x=154
x=49
y=56
z=60
a skirt cost $49, a sweater cost $56, and a pair of shoes cost $60
Answer:
66 to 70 and 85 to 90
Step-by-step explanation:
Area = l x w
Area =9 x 4.25
A = 48.25
A≈ 48 in²