How can you use mental math to find 7 times 53

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

Which compound inequality could be represented by the graph?

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders