Step-by-step Answer
PAGE: 591SET: ExercisesPROBLEM: 23
Please look in your text book for this problem Statement

varies directly as and varies inversely as .

Find when and and when and .

Consider the values are and .

Find .

varies directly as , and goes in the numerator and varies inversely as ,and goes in the denominator.

      (Solve for )

                       (Set the two proportions equal to each other)

               (Substitute and )

            (Cross multiply)


                   (Divide each side by )

                              (Cancel common term)

Therefore, the value of is .

When and and the value of .


"I want to tell you that our students did well on the math exam and showed a marked improvement that, in my estimation, reflected the professional development the faculty received from you. THANK YOU!!!"

June Barnett

"Your site is amazing! It helped me get through Algebra."


"My daughter uses it to supplement her Algebra 1 school work. She finds it very helpful."

Dan Pease

Simply chose a support option

My status

JOIN US ON:     
mathskey.com is not affiliated with any Publisher, Book cover, Title, Author names appear for reference only