Question

daca 4a+3b supra 5a-4b= 24 supra 13 ,calculati valoarea raportului a supra b

Answer 1

(4a+3b)/(5a-4b)=24/13 a/b=? 13(4a+3b)=24(5a-4b) 52a+39b=120a-96b 120a-52a=96b+39b 68a=135b a/b=135/68