Question

甲數(shù)的3.75倍等于乙數(shù)的15倍，已知乙數(shù)是0.8，甲數(shù)是________．

Answer 1

3.2
分析：由題意可知：甲數(shù)×3.75=乙數(shù)×15，則甲數(shù)=乙數(shù)×15÷3.75，據(jù)此列式計算即可．
解答：0.8×15÷3.75，
=12÷3.75，
=3.2；
答：甲數(shù)是3.2．
故答案為：3.2．
點評：由題意得出“甲數(shù)×3.75=乙數(shù)×15”，是解答本題的關(guān)鍵．