Question 89244

 what is the value of the expression 3x^2y/xy^2 when x= 7 and y= 4
a. 7/3
b. 21/4
c. 2/12
d. 3/4



         expression is 3x^2 y /x y^2 = 3x/y = 3*7/4 = 21/4