Problem-Solving and Data Analysis: Ratios, Rates, Proportional Relationships — Quiz 4

Questions in this quiz (10)

1. The table below shows the number of books sold at a store over $$4$$ days.If the number of books sold increases by a constant amount each day, what is the value of $$k$$?

   • $$260$$
   • $$300$$
   • $$360$$
   • $$420$$

2. A rectangular water tank holds water at a constant rate of $$25$$ liters per minute. How many liters of water will the tank hold after $$48$$ minutes?

   • 1200

3. The density of a material is $$500$$ kilograms per cubic meter. A sample has a mass of $$400$$ kilograms. What is the volume, in cubic meters, of the sample?

   • $$0.5$$
   • $$0.8$$
   • $$1.25$$
   • $$2$$

4. If $$\frac{x}{y}=5$$ and $$\frac{15x}{ny}=3$$, what is the value of $$n$$?

   • 25

5. A cyclist travels $$18$$ miles in $$45$$ minutes. What is the cyclist's average speed, in miles per hour?

   • $$20$$
   • $$22$$
   • $$24$$
   • $$30$$

6. A mixture is made using $$4$$ liters of solution A and $$6$$ liters of solution B. A second mixture is made using the same ratio. If the second mixture uses $$12$$ liters of solution A, how many liters of solution B are used?

   • $$12$$
   • $$15$$
   • $$18$$
   • $$20$$

7. If $$\frac{5a}{b}=10$$ and $$\frac{a}{bn}=2$$, what is the value of $$n$$?

8. The ratio of $$210$$ to $$m$$ is equivalent to the ratio of $$7$$ to $$3$$. What is the value of $$m$$?

   • 90

9. A flat surface has an area of $$120$$ square meters. If a pressure of $$15$$ newtons per square meter is applied, what is the total force, in newtons, on the surface?

   • 1800

10. A square has a side length of $$4$$ meters. A larger square has a side length that is $$3$$ times as long. What is the ratio of the area of the larger square to the smaller square?

    • $$3$$
    • $$6$$
    • $$9$$
    • $$12$$