Lisa had 25% as much money as Ken at first. Lisa and Ken won $1304 and $10 respectively at a lucky draw. In the end, Lisa had 20% more money than Ken. How much money did Lisa have at first?
Ali, Bala, Clyde and Dingyi shared a box of pens. Ali received 20% of the total number of pens which Bala, Clyde and Dingyi received altogether. Bala received 50% of the total number of pens which Ali, Clyde and Dingyi received altogether. Clyde received 80% of the total number of pens which Ali, Bala and Dingyi received altogether. Dingyi received 6 pens. How many pens were in the box at first?