Answer:
40,000
Step-by-step explanation:
X+y=155. Y= -x+155
1.50x +4(-x+155)= 520
1.50x-4x+620=520
-2.5x =-100
X= 40. Y=110
Answer:
8.06 ounces
Step-by-step explanation:
Ounces of wool of the sweater = percent of wool in the sweater x weight of the sweater
65% x 12.4 ounces
0.65 x 12.4 = 8.06 ounces
Answer:
12.5%
Step-by-step explanation:

= 12.5%
Percentage of total cost that is the payments= 12.5%
Aida did not correctly divide by the common factor to get (4+8).