数学英语都好的牛人进!
（答案在括号内）
1.From a jar containing 50 pieces of candy,of which 25 are red and 25 are green.Ari has taken 3 red and 4 green pieces.He takes an additional 13 piece from the jar.What is the least number of these additional pieces that must be red in order for Ari to have more red candies than green candies among all the pieces he has taken(8)
2.When 1.783 is rounded to the nearest whole number.the result is how much greater than when 1.783 is rounded to the nearest tenth?
(1/5)