Answer:
Joe is 3 and Carole's age is 15
Step-by-step explanation:
Joe: x
Carole: 5x
5x+x=18
6x=18
x=3
c = 5j
c + j = 18
5j + j = 18
6j = 18
j = 3
c = 5(3) = 15
Answer: Carole is 15, Joe is 3
Let us subtract equation 1 from equation 2.
5x - 3y - 2x + 3y = 7 - 4
3x = 3
x = 1
Substituting this value of x in equation 1, we get
2x - 3y = 4
2 - 3y = 4
-3y = 2
y =
1 3 5
30
139+11 gives us 150 which is the total number of plates and 150/5= 30 so there were 30 plates in each package.