Asum of money is divided among peter paul and jane in ratio 13: 12: 7 calculate how much paul gets if amount peter gets more than jane is

Paul must get 13 since Peter gets more more than Jane so Jane would get 7 and then peter would get 12 

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post