# 69 6 cassie and tom went to the hamburger stand

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Chapter A / Exercise 18
Essential Calculus
Stewart
Expert Verified
69
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Chapter A / Exercise 18
Essential Calculus
Stewart
Expert Verified
6.Cassie and Tom went to the hamburger stand. Cassie ordered a hamburger for \$4 and an order of fries. Tom was really hungry, so he doubled Cassie’s ordered for himself. The total price was \$18 (before tax). What’s the cost of one order of fries? 7.Sisters Rose and Sallywent trick-or-treating each with different friends on Halloween. Rose got 8 large candy bars and half the loose candy Sally got. Sally got 4 large candy bars and a lot of loose candy. If each of them got the same number if items in their bags how many loose candies did they each receive? 8.A collection of marbles has been divided into 3 different sets. The middle sized set is 2 times the size of the smallest set, and the largest set is 3 times as large as the middle-sized set. What fraction describes each part of the total marble collection? 9.Brian buys 1 pack of baseball cards to add to the 2 cards a friend gave him. Then his mother gives him 2 more packs as a special treat. Now he has as many cards as Marcus who owns 1 pack plus 12 loose cards. How many cards are in each pack? 70
6.2e Extra Practice: Write and Solve Equations 1.You bought a magazine for \$5 and four erasers. You spent a total of \$15. How much did each eraser cost? 2.Old McDonald’s 3 hens each lay the same number of eggs one week. This gives Old McDonald’s wife enough eggs to make two recipes. One recipe requires 10 eggs and the other recipe requires 2 eggs. How many eggs did each hen lay? 3.Paul owns a set of model cars. His brother gives him 3 more sets for his birthday. Then Paul gives 1 set to a friend who really likes model cars but doesn’t have any. Now Paul has 30 model cars left. How many model cars are in each set? 4.Tanner likes to collect comic books. He has 3 sets of the same title comics and 5 other comic books. His friend, Scott, has 1 set (the same as Tanner’s) and 19 other comic books. The total number of comic books owned by Tanner and Scott is the same. How many books are in each set? 5.Erin can buy 5 Putt-putt tickets and 2 one-dollar boxes of popcorn for the same price as 3 putt-putt tickets and 12 one-dollar boxes of popcorn. How much does each putt-putt ticket cost? 6.Allison has 2 aquariums. In each aquarium she has 2 families of guppies and 3 tetras. Leigh has 1 aquarium with 10 tetras and 3 families of guppies. Allison and Leigh have the same number of fish and their guppy families each have the same number of members. How many guppies are in each family? 7.A whole object has been broken into 4 pieces, all of different sizes. Each piece is 2 times the size of the next smallest piece. What fractions describe each piece of the whole object? 8.Mrs. Smith rode the bus 720 miles in 3 days. On the first day, she traveled 3 times as far as she did on the second day. On the third day, she traveled 2 times as far as she did on the second day. How far did she travel each day? 9.The neighborhood grocery store sold 1463 bottles of soft drinks last month. Twice as many bottles of root