A bag of 8 rolls for $1.89 or a bag of 18
rolls for $3.79

8 rolls for $1.89

Step-by-step explanation:

when you divide to see how much each one costs the 8 rolls is better

8 rolls for 1.89

Step-by-step explanation:

fa tha first one you gonna add y to both sides

it look like this

x-y+y=6+y

x=y+6

therefore your answer is

x =y+6

fa tha second one

you gonna flip tha equation

it gonna look like x-4y=y

then add 4 to both sides

it gonna look like tha

x-4 +4 =y +4

so therefore tha answer is x=y+4

step-by-step explanation:

yes

step-by-step explanation:

yes