Topic 5 Quizizz

A preschool has a student to teacher ratio of 5 : 2. The total number of students and teachers was 56 last year, and is 70 this year. How many students and teachers were there for each of these two years?

• Last year: 40 teachers, 16 students. This year: 50 teachers, 20 students.

• Last year: 16 teachers, 40 students. This year: 20 teachers, 50 students.

• Last year: 26 teachers, 30 students. This year: 30 teachers, 40 students.

• Last year: 14 teachers, 35 students. This year: 10 teachers, 25 students.

José is using 12 brown tiles and 8 white tiles to design a section of an outdoor patio. Which ratio compares the number of brown tiles to the total number of tiles in one section?

• 12 : 8

• 8 : 12

• 12 : 20

• 8 : 20

The table shows the party affiliation of the 100 senators of the 109th Congress. The ratio of Republicans to Democrats is 5 : 4. How many senators are Democrats? Independents?

An animal shelter with only dogs and cats has a ratio of cats to dogs that is 9 : 7. Part A: What is the ratio of dogs to all animals?

Mrs. Banks wants to make 44 qt of jelly with 70 lb of fruit. If each gallon of jelly needs 6 1/2 lb of fruit, will she have enough fruit? How much leftover fruit does she have, or how much extra fruit is needed?

An intersection starts getting traffic at 8:00 AM, and then closes for construction from 1:00 PM to 2:30 PM. While the intersection is open, cars pass through at a rate of 32 cars each hour. How many cars pass through the intersection between 8:00 AM and 5:00 PM?

• 288 cars

• 240 cars

• 320 cars

• 128 cars

Find 2 equivalent ratios for 14:32.

Select all of the expressions which correctly show how to convert 13 inches into yards.

• 13 in. x 1yd/36in.

• 13 in. x 36 yd

• 13 in. x 36in./1yd

• 13 in. x 1yd/12in.

April can buy a package of 10 folders for $1.20 or a package of 8 folders for $1.12. What is the unit price, per folder, in each package?

Jessica is buying several bunches of bananas to make desserts for a fundraiser. She can buy 10 pounds of bananas for $14.90 or 8 pounds of bananas for $12.08. Which is the better buy? Explain.