Answer:
7
Step-by-step explanation:
Let the number of cartons be x
10 packages = $15.
28 packages or 1 carton = X
10x = $420.00
x= 420/10
x= $42.00 per carton
280/42 = 6.66 = 7 cartons
Answer:third one
Answer: y=6
First distribute... 9p-36=18
then add 36 to the 18 to help isolate the variable..
9p=54
then to get the variable by itself divide 54 by 9 and get 6