Unit 4 Review

Five customers at a local Christmas Tree Center are buying reindeer magic food to make them fly. The table shows how many cubic feet of food each customer buys and how much each customer pays. According to the table, how much does Mrs. Claus spend on 1 cubic foot of food? (Use the $ symbol in your answer)

Santa is studying a group of reindeers and tagged 4 babies, 5 juveniles, and 6 adults. Santa estimates that this tagged sample is a reliable reflection of the ratios of babies, juveniles, and adults in the general reindeer population for the area. Santa estimates that the total number of reindeer in the area is 200. There are most likely _______ adult reindeer in the area. Hint: Ratio of Sample to total

Rudolf can run 100 feet in 10 seconds. At this rate, how many feet can he run in 3 minutes? Hint: Convert minutes to seconds.

A cookie recipe calls for a 4:6 ratio of cups of flour to tablespoons of sugar. How many tablespoons of sugar are needed for 6 cups of flour?

It costs $3.50 for 2 cookies at the Cookie Shop. What is the cost, in dollars, of 10 cookies at the restaurant if each cookie costs the same amount? (Include the $ in your answer.)

Santa creates a model of his sled. The length of the model is 48.1 centimeters. One inch equals 2.54 centimeters. What is the length of the model, in inches? Round to the nearest tenth. Hint: Always put conversion as first ratio.

Out of 300 wreaths sold daily at a nursery, 15% of them have flowers. How many of the wreaths have flowers?

A trip to the Santa’s Museum costs $15.70 per student. Mrs. Conklin takes 63 students to Santa’s Museum. How much does it cost to take all 63 students? Include the $ in your answer.

Frosty is making a scale drawing of his igloo. The hallways in his igloo are 4 ¾ ft wide. The scale of the drawing is ⅓ in. = 1 ft. What is the width, in inches, of the hallways on his scale drawing? Record the answer as an improper fraction (fraction greater than one) in lowest terms. Hint: Always put your known ratio as first ratio.

Out of 200 seventh-grade students, 20% of them said they believed in Santa. What number of students do not believe in Santa?