Get premium membership and access questions with answers, video lessons as well as revision papers.

The electricity bill E of school is partly fixed and partly varies inversely as the total number of students T.

      

The electricity bill E of school is partly fixed and partly varies inversely as the total number of students T.
(a) Write down an expression of E in terms of T.
(b) When the school had 100 students the bill was KSh. 174 per student while for 35 students the bill was KSh. 200 per
student. Calculate the fixed charge.
(c) Find the appropriate number of students for which the two parts of electricity bill are equal.
(d) Find the electricity bill E when the students population is 1000.

  

Answers


sharon
5220191250.png
sharon kalunda answered the question on May 2, 2019 at 09:52


Next:  A ship sailing at a speed of 200 knots left harbour A (300S, 320E) and sailed due north to harbour B (300N, 320E).
Previous: A right pyramid VABCD below has a square base ABCD of side 4m. The slant edges VA, VB, VC and VD are 6m long.

View More Mathematics Questions and Answers | Return to Questions Index


Learn High School English on YouTube

Related Questions