AFTER JENNY SPENT 1 / 3 OF HER SAVINGS ON A School bag, she had Rs 780 left .find jenny's SAVINGS AT FIRST.

Answer 1

if she had s savings, then after spending 1/3 of it, she had 2/3 s left. So,

2/3 s = 780

Answer 2

1170

Answer 3

2unit=780
1unit=780/2=390
3unit=390*3=1170