Ratios, Rates & Proportions 3 — Basic Math

Questions in this quiz (10)

1. A community center has a yearly budget of $$\$480{,}000$$. It spends $$\$40{,}000$$ on utilities. What is the ratio of dollars spent on utilities to dollars spent on all other expenses?

   • $$1:11$$
   • $$11:1$$
   • $$1:12$$
   • $$12:1$$

2. A machine packages 8 boxes in 3 hours. Which expression could be used to find how many hours it will take the machine to package 72 boxes?

   • $$\frac{8\times72}{3}$$
   • $$3\times\frac{72}{8}$$
   • $$\frac{8}{3\times72}$$
   • $$3\times8\times72$$

3. At a warehouse, the ratio of supervisors to workers is $$2:9$$. If there are 63 workers, how many supervisors are there?

   • $$12$$
   • $$14$$
   • $$16$$
   • $$18$$

4. A salesperson earned $$\$1{,}260$$ in commission from $$\$21{,}000$$ in sales. What was the commission rate?

   • $$4\%$$
   • $$5\%$$
   • $$6\%$$
   • $$8\%$$

5. Maria spent the following amounts of time remodeling a room:Removing old flooring: 1 hourInstalling new flooring: 4 hoursPainting: 2 hoursCleaning up: 1 hourWhat is the ratio of time spent painting to the total time spent on the project?

   • $$1:4$$
   • $$1:3$$
   • $$2:5$$
   • $$1:2$$

6. A rectangular banner is 6 feet wide and 8 feet long. It is enlarged so that its length becomes 20 feet while keeping the same proportions. How wide will the enlarged banner be?

   • $$12\text{ feet}$$
   • $$15\text{ feet}$$
   • $$16\text{ feet}$$
   • $$18\text{ feet}$$

7. A school has 240 seventh-grade students. If the ratio of boys to girls is $$5:3$$, how many girls are in the grade?

   • $$70$$
   • $$80$$
   • $$90$$
   • $$100$$

8. A baseball team's ratio of wins to losses is $$7:5$$. If the team plays 96 games at the same rate, how many games will it win?

   • $$49$$
   • $$56$$
   • $$60$$
   • $$72$$

9. Last year, a bakery sold 120 birthday cakes. This year, it sold 175% as many birthday cakes as last year. How many birthday cakes did the bakery sell this year?

   • $$180$$
   • $$195$$
   • $$210$$
   • $$240$$

10. For every $$\$8$$ in their budget, the Parks family spends $$\$3$$ on food. If their weekly budget is $$\$704$$, how much do they spend on food each week?

    • $$\$88$$
    • $$\$192$$
    • $$\$235$$
    • $$\$264$$