Percent of a Number:
Word Problems
Word Problems
The students in Colleen's grade voted to select a guest speaker. 50% of the students voted for a famous athlete. If there are 86 students in Colleen's grade, how many voted for the athlete?
43 Students
_____% of $60 = $30
50%
There are 60 students in Nancy's grade. 6 of the students are enrolled in health. What percentage of students are enrolled in health?
10%
Wanda receives money from her relatives every year on her birthday. Last year, Wanda received $850. This year, she received 44% more than last year. How much did she receive this year?
$1,224
Coach Payton predicted his basketball team would score 38 points in their final game, but the team actually scored 42 points. What is the percent error for his prediction? Round your answer to the nearest tenth of a percent.
9.5%
There are 600 houses in Simon's town. Last summer, 10% of the houses were for sale. How many houses were for sale last summer?
60 houses
60% of ____ = 480
800
The art club had an election to select a president. 23 out of the 25 members of the art club voted in the election. What percentage of the members voted?
92%
Tim is training for a bike race and is attempting to improve his average speed. With his old trainer, Tim biked at an average speed of 20 MPH. With his new trainer, Tim bikes 20% faster. How fast does he bike, on average, with his new trainer?
24 mph
When Adele arrived at her dentist appointment, the receptionist told her the wait would be about 20 minutes. Adele actually waited only 16 minutes. What is the percent error for the receptionist's estimate?
25%
Janelle's city took a telephone poll about a plan to build a new hotel downtown. 100 people took the poll. 70% of them were in favor of the new hotel. How many people were in favor of the new hotel?
70 people
65% of 60 = _____
39
Monica's town had an election last month. 50% of the 150 people in the town voted in the election. How many people voted?
75 people
Hector's salary used to be $166,400. After changing the amount of time he works, he has begun earning $154,752. By what percent did Hector's salary decrease?
7%
Steve has been training for a 5-mile race. Before the race, he predicts he will finish in 42 minutes. He actually finishes the race in 40 minutes. What is the percent error for his prediction?
5%
85% of the 60 coffee mugs at Andy's Pancake House are dirty. How many dirty coffee mugs are there at the pancake house?
51 mugs
75% of $772.08 =
$579.06
Lucy took a math quiz last week. There were 100 problems on the quiz and Lucy answered 89% of them correctly. How many problems did Lucy get correct?
89 questions
Clean Machine is Princeton's premier house cleaning service. The company used 4,510 gallons of soap last year, and 80% more than that this year. How many gallons of soap did the company use this year?
8,118 gallons
Akira is redecorating her bedroom. She misread the markings on her ruler and thought a picture frame she bought was 5.2 centimeters wide. The frame's actual width was 4.8 centimeters. What is the percent error for her measurement? Round your answer to the nearest tenth of a percent.
8.3%
A telephone poll asked people whether they like playing golf. Of the 100 people polled, 79% like playing golf. How many people said they like playing golf?
79 people
62.5% of 32 = ____
20
In order to select new board members, the French club held an election. 63 members voted in the election and 12 did not vote. What percentage of the members voted?
84%
A gardening store ordered 79,700 potted plants last year. This year, the store ordered 93% more than that number. How many potted plants were ordered this year?
153,821 plants
As part of a math lesson on probability, Mr. Keen rolled a standard die 30 times. He predicted the die would land on three 5 times. He actually rolled a three 8 times. What is the percent error for his prediction?
37.5%