b. 9
c. 12
d. 15
Answer:
d. 15
Explanation:
x+ y= 24 ①
3.50x + 5.00y = 97.50 ②
You have to isolate one of the variables:
y=24-x ③
You have to replace ③ in ②:
3.50x + 5(24-x)= 97.50
3.50x+120-5x=97.50
22,5=1,5x
x=15
You have to replace X in ③ to get Y:
y= 24-15
y= 9
Jillian sold fifteen 10 oz. boxes.
B) elongated.
C) fragmented.
D) prorupt.
B) primary sex characteristic.
C) gender conformity behavior.
D) within-group variation.