Timed Mini Exam 24 — Timed Mini Exams

Questions in this quiz (10)

1. A bookstore received $$18$$ boxes containing $$24$$ notebooks each. During the first week, the store sold $$\frac{5}{8}$$ of the notebooks. How many notebooks remained?

   • $$108$$
   • $$162$$
   • $$216$$
   • $$270$$

2. Evaluate the expression:$$3^2-4(-5)+\frac{24}{(-2)^3}$$

   • $$-14$$
   • $$16$$
   • $$26$$
   • $$32$$

3. A machine produces $$420$$ parts in $$6$$ hours at a constant rate. At the same rate, how many parts will it produce in $$8.5$$ hours?

   • $$490$$
   • $$560$$
   • $$595$$
   • $$630$$

4. A delivery service charges a fixed fee of $$\$7.50$$ plus $$\$2.25$$ for each mile traveled. A customer paid $$\$32.25$$. How many miles did the delivery driver travel?

   • $$9$$
   • $$10$$
   • $$11$$
   • $$14$$

5. A streaming service charges $$\$12$$ per month plus $$\$3$$ for each movie rented. Carlos can spend no more than $$\$33$$ this month. Which inequality represents the possible number of movies, $$m$$, that Carlos can rent?

   • $$12+3m\ge33$$
   • $$12+3m\le33$$
   • $$3+12m\le33$$
   • $$3m-12\le33$$

6. The height of a ball, in feet, is modeled by $$h(t)=-16t^2+48t+5$$. After how many seconds does the ball reach its maximum height?

   • $$1$$ second
   • $$1.5$$ seconds
   • $$2$$ seconds
   • $$3$$ seconds

7. The table shows the number of customers who visited a café during four consecutive hours.$$\begin{array}{c|cccc} \mathrm{Hour}&1&2&3&4\\ \hline \mathrm{Customers}&18&24&30&36 \end{array}$$What is the average number of customers per hour?

   • $$24$$
   • $$27$$
   • $$30$$
   • $$36$$

8. Keyonna is reading the plans for an apartment she is decorating. She uses her ruler to see that in the drawing the kitchen measures $$2$$ inches wide by $$3.5$$ inches long. What is the area in square feet of the kitchen?

   • $$28$$ square feet
   • $$56$$ square feet
   • $$112$$ square feet
   • $$224$$ square feet

9. A cylindrical water tank has a radius of $$3$$ feet and a height of $$8$$ feet. Using $$3.14$$ for $$\pi$$, what is the volume of the tank?

   • $$75.36$$ cubic feet
   • $$150.72$$ cubic feet
   • $$226.08$$ cubic feet
   • $$452.16$$ cubic feet

10. A bag contains $$5$$ blue marbles, $$4$$ green marbles, and $$3$$ yellow marbles. One marble is selected at random and is not replaced. A second marble is then selected. What is the probability that both marbles are blue?

    • $$\frac{5}{12}$$
    • $$\frac{5}{22}$$
    • $$\frac{5}{33}$$
    • $$\frac{25}{144}$$