The YMCA charges a gym members $20 a month to use its gym. LA fitness members pay $150 upfront for the membership and $5 per month to use the equipment. You’re and member at the YMCA but a friend who goes to LA fitness tells you after being a member for a certain period of time it will start to save you money. write and solve an equation to show when the plans are equal after how many months will the two gyms cost the same