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Sliva [168]
3 years ago
10

Katherine has a point card for movie theater she receives 20 reward points just for signing up earns 5.5 points for each visit t

o the theater she needs 75 points for free movie ticket how many visits must Katherine make to earn a free movie ticket
Mathematics
1 answer:
Citrus2011 [14]3 years ago
8 0

Step-by-step explanation:

x = number of visits

y = number of earned points

the equation for the situation is (remember the 20 points starting balance) :

y = 5.5 × x + 20

and the question is now actually after how many visits she reached 75 earned points.

therefore,

75 = 5.5 × x + 20

55 = 5.5 × x

x = 55/5.5 = 10

she gets a free movie ticket after 10 visits.

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