A certain smartphone family plan costs 55$ per month plus additional usage costs. if x is the number of cellphone minutes used above the plan amount and y is the number of megabytes of data used above the plan amount, interpret the following expression.

Base in your question the family plan cost is $55 per month so it means it has a minimum of payment of $55 per month. The variable X is represented as the number of cell phone minutes is used above the plan and Y is the amount of megabytes used above the plan. so this is ur answer 0.25x + 2y + 55