题目内容
小明给班里买了甲、乙两种电影票共50张,甲票每张0.5元,乙票每张0.35元,共花了19.6元,问:买甲票花的钱是买乙票花的钱的几分之几?
假设买的全是甲票,则乙票:
(0.5×50-19.6)÷(0.5-0.35),
=(25-19.6)÷0.15,
=5.4÷0.15,
=36(张),
甲票的张数是:
50-36=14(张),
(0.5×14)÷(0.35×36),
=7÷12.6,
=
.
答:买甲票花的钱是买乙票花的钱的
.
(0.5×50-19.6)÷(0.5-0.35),
=(25-19.6)÷0.15,
=5.4÷0.15,
=36(张),
甲票的张数是:
50-36=14(张),
(0.5×14)÷(0.35×36),
=7÷12.6,
=
| 5 |
| 9 |
答:买甲票花的钱是买乙票花的钱的
| 5 |
| 9 |
练习册系列答案
相关题目