Get premium membership and access revision papers with marking schemes, video lessons and live classes.
Processing. Please wait.

 KCSE Mathematics Paper 2 Revision Questions and Answers Set 8

Kanja invested sh. 15 000 at r% per annum and sh 20 000 at s% per annum both simple interest. His investments earned him a total of sh. 11 400 after three years. If he had invested all his money at the average rate (#(r+s)/2#)% per annum simple interest, his investment would have earned him sh. 150 more
than it did. Determine the values of r and s.

 (6m 11s)
1074 Views     SHARE