saniyajacksinm saniyajacksinm

28-08-2018
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 the group for them to save a total of $30?

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me72003 me72003

30-08-2018

There must be 15 in the group
15*$7=$105
15*$5=$75
105-75=$30

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