For a group of 30 guests, the cost at jimmy's which is the cost at peter's. if a third offers a price of $650 for 70 guests, this offer is cheaper than

Jimmy's line is blue, when the number of guests is 30, the price is 300 ( look to see where the blue line crosses at 30.)

This is lower than the cost of Peter's.

The third company at 650 for 70 guests would be lower than the blue line, which is Jimmy's.

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: