First, distribute 2 to all terms within the parenthesis
2(4x + 5) = 8x + 10
8x + 10 > 7x + 20
Isolate the x. Treat the > like a equal sign. Subtract 7x and 10 from both sides
8x (-7x) + 10 (-10) > 7x (-7x) + 20 (-10)
Simplify
8x - 7x > 20 - 10
x > 10
x > 10 is your answer
hope this helps
To find the number or rows, divide the total number of students by the number in each row.
63 / 7 = 9 rows.
1/4 of 20 is 5
A is the answer