The Smith family has a cell phone plan that costs $75 per month. The plan lets 5 members of the Smith family share 1,000 minutes to talk per month and 400 text messages per month. Any minutes over 1,000 cost $1 per minute and any texts over 400 cost $2 per text. There was a family emergency so the smith family uses 1050 minutes and 415 texts in the month of March. Part A writes a math expression that you could use to find the amount of the Smith cell phone bill for the month of March.