Find an expression in simplest form for the verbal description

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?