题目内容
足球门标原价每张50元,降价后观众人数增加了一半,总收入增加了
.降价后每张门票多少钱?
1 |
5 |
50-(1+
)÷(1+
)×50
=50-
÷
×50,
=50-
×50,
=50-40,
=10(元);
答:每张门票降价10元.
1 |
5 |
1 |
2 |
=50-
6 |
5 |
3 |
2 |
=50-
4 |
5 |
=50-40,
=10(元);
答:每张门票降价10元.
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5 |
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