问题标题:
【懂英文和数学的来!百分数问题.InalloyAandalloyB,thereare30%and40%ofironinweightrespectively.Nowanewalloyisformedby6kgofalloyAand2kgofalloyB.Inthenewalloy,(a)whatistheweightofiron?(b)whatpercentageof】
问题描述:

懂英文和数学的来!百分数问题.

InalloyAandalloyB,thereare30%and40%ofironinweightrespectively.Nowanewalloyisformedby6kgofalloyAand2kgofalloyB.Inthenewalloy,

(a)whatistheweightofiron?

(b)whatpercentageofweightisiron?

刘大鹏回答:
  a.theweightofiron:6*30%+2*40%=2.6   b.ironpercentageofweigh:2.6/6*100%
查看更多
八字精批 八字合婚 八字起名 八字财运 2024运势 测终身运 姓名详批 结婚吉日
已出生未出生
数学推荐
热门数学推荐
付费后即可复制当前文章
《【懂英文和数学的来!百分数问题.InalloyAandalloyB,thereare30%and40%ofironinweightrespectively.Nowanewalloyisformedby6kgofalloyAand2kgofalloyB.Inthenewalloy,(a)whatistheweightofiron?(b)whatpercentageof】|高中数学问答-字典翻译问答网》
限时特价:5.99元/篇原价:20元