Topic 5 Review

The sixth-grade chorus has a boy-to-girl ratio of 3 : 8. If the total number of chorus members was 11 last year and 33 this year, how many boys and girls were there for each of these two years?

• Last year: 6 boys and 16 girls.

  This year: 12 boys and 32 girls.

• Last year: 5 boys and 6 girls.

  This year: 15 boys and 18 girls.

• Last year: 8 boys and 3 girls.

  This year: 24 boys and 9 girls

• Last year: 3 boys and 8 girls.

  This year: 9 boys and 24 girls

Last week, Leah worked 25 hours on weekdays and 11 hours on the weekend. Which ratio compares the number of hours Leah worked on weekdays to the total number of hours she worked?

• 25 : 11

• 11 : 25

• 25 : 36

• 36 : 25

A varsity boys' basketball team has a ratio of seniors to juniors that is 7 : 4.

If the team is made up only of juniors and seniors, what is the ratio of seniors to total team members?

A varsity boys' basketball team has a ratio of seniors to juniors that is 7 : 4.

The varsity girls' basketball team has a ratio of seniors to juniors that is 3 : 2. If each team has 12 juniors, which team has more seniors?

Stacy has 3 lb of grapes to make 10 bowls of fruit salad. If her recipe calls for 4 oz of grapes per bowl, will she have enough grapes? How much leftover does she have, or how much extra is needed?

• No, she will need 8 oz more

• Yes, she will have 8 oz extra

• Yes, she will have 6 oz. extra

• No, she will need 6 oz more

In 1 minute, Alex can type 44 words. While working on a project, Alex types from 10:00 am until 11:30 am. He takes a break from 10:25 am to 10:40 am. At the same rate, how many words did he type?

• 2,200 words

• 3,960 words

• 3,000 words

• 3,300 words

4 gal= _____ oz

Select ALL of the expressions which show how to convert 2.5 yards into inches

• 2.5 yd x 1yd/36iin

• 2.5 yd x 3ft/1yd x 12in/1 ft

• 2.5 yd x 12 in

• 2.5 yd x 36in/1yd

• 2.5 yd x 12in./12yd

Layla is buying spools of yarn for a knitting class. She can buy a 40-yard spool for $15.60 or a 60-yard spool for $19.20. Which is the better buy?