7/5 + 3/8 =what /40 + what/40 = ?/?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

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

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers