Help please!! Thank you

Use the given minimum and maximum data entries, and the number of classes, to find the class width, the lower class limits, and the upper class limits. minimum = 12, maximum = 85, 7 classes The class width is 10 (Type a whole number.) Use the minimum as the first lower class limit, and then find the remaining lower class limits. The lower class limits are (Type a whole number. Use a comma to separate answers as needed.) The upper class limits are (Type a whole number. Use a comma to separate answers as needed.)