3. At a high school movie night, the refreshment stand sells popcorn and soft drinks. Of the 100 students who came to the movie, 62 bought popcorn and 47 bought a drink. 38 students bought both popcorn and a drink. Part A: What is the probability that a student buys a drink? Express your answer as a percentage. Part B: What is the probability that a student buys a drink, given that he or she buys popcorn? Express your answer as a percentage, rounded to the nearest tenth. Part C: Are buying a drink and buying popcorn independent or dependent events? Justify your answer.

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The distance to the nearest exit door is no more than 150 feet. Use d to represent the distance (in feet) to the nearest exit door. To get the 10% discount, a shopper must spend more than $500. Used to represent the spending (in dollars) of a shopper who gets the discount.

I need help finding the start, end, and the quarter period.

My little sister owes my mom $10 right now, and she gets an allowance of $7 every week. She wants to buy a $15 Toy but she has to pay back my mom first.    Model this story using motion on a number line.

You are going to a party with a friend. Both of you are supposed to take packets of chips and bottles of soft drink for the party. You shop together and buy the same brand of chips & drink. You spend $40 to buy 5 packets of chips and 10 bottles of soft drink. Your friend spends $51 to buy 3 packets of chips and 15 bottles of soft drink. Given this information determine the following: How much does the shop charge for a packet of chips? Please calculate this answer in dollars (enter the unit "$" with the answer) and round the final value to the nearest cent. Answer: How much does the shop charge for a bottle of soft drink? Please calculate this answer in dollars (enter the unit "$" with the answer) and round the final value to the nearest cent. Answer: