Question

36% of 1250 + ? % of 5260 = 1239​

Answer 1

firstly we solve 36%of 1250:

36\100 × 1250 =450

Let,unknown value be x

x% of 5260= 1239-450

x% of 5260=789

x/100 × 5260=789

x=789×100/5260

x=789×10/526

x=7890/526

x= 15 ans.

Hope you understand it