L1 Topic 4: Ratios, Proportions, and Percents
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Question 1 of 5
1. Question
In a theater, there are 4500 lower-level seats and 2000 upper-level seats. What is the ratio of lower-level seats to total seats?
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Question 2 of 5
2. Question
The dosage for a particular medication is proportional to the weight of the patient. If the dosage for a patient weighing 60 kg is 90 mg, what is the dosage for a patient weighing 80 kg?
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Question 3 of 5
3. Question
On Tuesday, a radiology clinic had 80% of patients come in for their scheduled appointments. If they saw 16 patients, how many scheduled appointments did the clinic have on Tuesday?
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Question 4 of 5
4. Question
A smart HDTV that originally cost $1,500 is on sale for 45% off. What is the sale price for the item?
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Question 5 of 5
5. Question
Kevin is planning a party and can host 120 people. If he sends out invitations to his friends and expects 30% to decline, what is the maximum number of invitations he should send?
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