Sanjana and Ritika has equal amount Sanjana invested of her amount at the rate of 12 p a on simple i...........

Sanjana and Ritika has equal amount. Sanjana invested of her amount at the rate of 12% p.a. on simple interest and the remaining amount at the rate of R% p.a. on simple interest while Ritika invested the amount at the rate of 10% p.a. on compound interest. If the interest received by both of them at the end of two years is equal, Find the value of R.