Calculating Percentages (RP.4.i)

Joey wants to collect 20 coins from foreign countries. If he has 3 coins so far, what percent of his collection is complete?

• 7%

• 15%

• 20%

• 85%

Answer explanation

7/15 = 0.15

0.15 x 100 = 15%

Tags

RP.4

Sam has read 56 pages of a 224-page book. What percentage of the book has he read?

• 2.5%

• 20%

• 25%

• 250%

Answer explanation

56/224 = 0.25

0.25 x 100 = 25%

Tags

RP.4

A town held a vote on whether to build a new library. Of the 500 people who votes, 300 people votes to build a new library. What percent of the people voted to build a new library?

Answer explanation

300/500 = 0.6

0.6 x 100 = 60%

Ezra made 96 cupcakes for a bake sale at his school. Of the 96 cupcakes, 58 are chocolate and the rest are vanilla. What percent of the cupcakes are vanilla? Round answer to the nearest percent.

• 38%

• 40%

• 60%

• 62%

Answer explanation

96-58 = 38 vanilla cupcakes

38/96 = 0.3958

0.3958 = 0.40

0.40 x 100 = 40%

Kyle has 2 bags of marbles. In the first bag 3/7 of the marbles are striped. In the second bag 6/8 of the marbles are striped. In the two bags together, what percent of the marbles are striped?

• 40%

• 43%

• 60%

• 75%

Answer explanation

3 out of 7

6 out of 8

3 + 6 = 9 striped marbles total

7 = 8= 15 total marbles

9/15 = 0.6

0.6 x 100 = 6%

There were 150 students at the first home football game. Thirty students used a pass to get into the game. What percentage of the students used a pass to get into the game?

• 10%

• 20%

• 30%

• 50%

Answer explanation

30/150 = 0.2

0.2 x 100 = 20%

Allie's Bakery has 36 parking spots in front of the store. Eleven of the parking spots are currently empty. What percent of the parking spaces, rounded to the nearest percent, are filled with customer cars?

• 23%

• 31%

• 69%

• 77%

Answer explanation

36-11 = 25

25/36 = 0.69444

0.6944 = 0.69

0.69 x 100 =69%

At Mario's Italian restaurant, 118 of the 200 plates are dirty. What percent of the plates are clean?

• 37%

• 41%

• 59%

• 63%

Answer explanation

200-118 = 82

82/200 = 0.41

0.41 x 100 = 41%

Kaitlyn is painting 5 identical flowerpots. If she has painted 4 of the flowerpots, what percent of her task is complete?

Answer explanation

4/5 = 0.8

0.8 x 100 = 80%

Carrie conducted a survey on snack preference for the students in her school. Her data is in the table. What percent of the students surveyed preferred celery with peanut butter?

• 48%

• 40%

• 32%

• 24%

Answer explanation

Celery with p.b. = 48

Total people = 23 + 48 + 18 + 31 = 120

48/120 = 0.4

0.4 x 100 = 40%

Tags

rp.4