39. The mode of the following frequency distribution is 67 and sum
of frequencies is 47, find the value of x and y
Classes
40 - 50
5 0 - 60
60 – 70
70 - 80
80 - 90
Frequency
x
15
y
7

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.