Plz help me very urgent A part of RS 1500 was lent at 10 % per annum and - Maths - Algebraic Expressions

Question

Plz help me very urgent

A part of RS 1500 was lent at 10 % per annum and the rest at 7 %
per annum simple interest The total interest earned in 3 years was
RS 396 What was the sum lent at 10 % p a ?

Sugesh Aravind · Answer

let x be lent at 10% per annum
1500-x is lent at 7% per annum

30x+31500-21x=39600
9x=39600-31500
x=900

Plz help me very urgent A part of RS 1500 was lent at 10 % per annum and the rest at 7 % per annum simple interest.The total interest earned in 3 years was RS 396. What was the sum lent at 10 % p.a.?

Plz help me very urgent

A part of RS 1500 was lent at 10 % per annum and the rest at 7 % per annum simple interest.The total interest earned in 3 years was RS 396. What was the sum lent at 10 % p.a.?