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06-09-2019
Mathematics

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The cost for a movie ticket is 7$. The cost is reduced to 5$ for groups of 10 or more. How many people must be in a group for them to save a total if 30$

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sqdancefan sqdancefan

16-09-2019

Answer:

15 people

Step-by-step explanation:

Each person in the "large enough" group saves $2, so for a total savings of $30, there must be 30/2 = 15 people in the group.

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