试题与答案

一种奶粉每袋400克售价31.8元,商家实行“买三赠一”的促销活动,即购买120

题型:解答题

题目:

一种奶粉每袋400克售价31.8元,商家实行“买三赠一”的促销活动,即购买1200克送400克,王阿姨要购买2千克奶粉,应付多少元?

答案:

由题意知,

31.8×3+31.8,

=95.4+31.8,

=127.2(元);

答:应付127.2元.

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