Changing a Scale — Unit test Answers

Which is equivalent to “12 chairs for every 3 tables”?

Mike and Julie are making slime. The table shows the number of drops of blue food coloring and the number of drops of red food coloring they use in each batchDrops of Food ColoringNumber of blue dropsNumber of red drops20440860128016What is the constant of proportionality of the ratio of the number of blue drops used to the number of red drops used?

Enjoli is making cupcakes for a party. She needs 45 cupcakes but the recipe makes 15. Strawberry Cupcake RecipeBatchesStrawberries1 cups2 3 4 If she does not want any leftovers, which point should Enjoli use to determine the amount of strawberries she will need to make her cupcakes?

This graph shows a proportional relationship between the number of tulips and the number of daffodils in gardens planned by the Lindy Landscaping Company.Lindy Landscaping GardensWhat is the constant of proportionality?

A rectangular magazine cover is photocopied by using a scale factor of . The length of the photocopy of the magazine cover is

Aimee noticed her plant grew of an inch every week since it sprouted. She created this graph to show its growth.Which statement about Aimee’s graph is true?

Mrs. Santos is buying binders for the students in her class. She determined that 15 binders would cost $22.50.Cost of BindersIf all of the binders cost the same amount, which statement is true?

Byron earns $11.00 per hour. How many hours will Byron have to work to earn $143.00?

Jillian is trying to determine what helium tank pressure she needs to fill balloons for the student council dance. Find the unknown numbers in the table until you find the best answer to the question. Which cylinder pressure will Jillian need if she plans to fill 90 balloons?Tank Pressure and Balloon QuantityPressure in the helium cylinder (psi)Number of 9-inch balloons10030150?200?250?300?