I will never take money from my friendAlgebra Level 3
Manish borrowed Rs.45000 from Sahil. A part of the sum is borrowed at 10% p.a. under simple interest for 4 years and the remaining part at 11%p.a. under simple interest for 4 and 1/2 years. If the total interest earned by Sahil is Rs.19900, then find the sum borrowed at each rate.