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
1 answer:
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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