Math Exam Practice: Discounts, Percentages, and Volume
School
Indiana University, South Bend**We aren't endorsed by this school
Course
MATH MISC
Subject
Mathematics
Date
Dec 12, 2024
Pages
5
Uploaded by JudgeOxideCoyote22
M109Name:_________________________________________Spring 2021GriffithsExam 1Directions: Show all work for credit. No work = no credit given. Good luck!1.Sid and Geno are both in the market for a new suit. Sid finds a suit that is 30 % off andthen he has a 15 % off coupon. Geno buys the same suit at a different retailer where it is25 % off and he has a 20 % off coupon. Which man got a better deal? Use calculationsto explain your answer.2.Laney sees a trick wherein if she needs to find m % of p, she can actually find p % of mand get the same result. Show an example of this technique and in doing so, explainwhy this trick works.3.Maxine buys a pair of shoes for $66.50 after receiving 30 % off. What was the originalprice of the shoes?
4.The circle graph shows the number of space vehicles sent into space during 40 years.What percent of vehicles sent during these 40 years were sent from 1960 - 1969?5.Observe the circle graph below. If the land area of Africa is about 30 million squarekilometers, what is the approximate land area of the Earth?
6.a.In 1890, what was the population of English immigrants?b.What was the percent increase in the number of Austrian immigrants from 1880to 1900?7.A man decides to fill in a concrete pond on his property with dirt. The pond is 4 ft. deep,10 ft. long, and 40 in. wide.a.What is the volume of the pond in cubic feet? Round to two decimal places.b.What is the volume of the pond in cubic inches? Round to two decimal places.
8.How many minutes are in a year? Write your answer in scientific notation. Do not round.9.A color photograph taken with a digital camera is converted into digital format using 4bytes per pixel. Photos taken with the camera each havepixels. How many3. 7 × 106bytes are there in one photo? Write your answer in scientific notation.10. You are planning a party. The maximum number of people the reception hall can hold is1 person for every 5 square feet of space. If the hall is 60 feet wide and 50 feet long,how many people can you invite?11. A bag contains 240 marbles that are either red, blue, or green. The ratio of red to blue togreen marbles is 5 : 2 : 1. If one-third of the red marbles and two-thirds of the greenmarbles are removed, what fraction of the remaining marbles in the bag will be blue?12. How many years will it take $4250 to earn $1222 in interest at a rate of 2.3 %? Round tothe nearest tenth.
13. A committee of 12 people is being put together to represent a company with 4 workareas and 700 employees. The table below shows the number of employees that work ineach area. Complete the table by finding the standard quota and lower quotas for eacharea. Then use Hamilton’s Method to determine how many representatives each workarea will have on the committee.Work Area1234Number ofEmployees23214824575StandardQuotaLower Quota