The number of students that will need to buy the tickets is 419.
<h3>How many students will need to buy tickets?</h3>
The equation that can be formed from the information provided in the question is:
$20s < $1250 + $625 + $1470 + $12s
Where s represents the number of students
$20s < $3345 + $12s
$20 - $12s < $3345
$8s < $3345
s < $3345 / $8
s < 419
To learn more about inequality, please check: brainly.com/question/5031619
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A $36 item is 25% off. This means we can multiply 36 by 0.25 to find out how big the discount is.
$36*0.25=$9
Answer: 13.B
14.B
15.C
16.A
17.D
18.A
Step-by-step explanation:
