Question: Use proportions to solve each problem mentally. In a mathematics class, 3 of every 4 students are girls. If there are 28 students in the

Use proportions to solve each problem mentally. In a mathematics class, 3 of every 4 students are girls. If there are 28 students in the class, how many are girls? How many are boys?

Step by Step Solution

★★★★★

3.32 Rating (161 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

To solve this problem using proportions we can set up a proportion based on the ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related College Algebra Questions!

Develop a process layout that will minimize the total distance traveled by patients at a medical clinic, using the following information on projected departmental visits by patients and distance...

Students in a mathematics class took an exam and then took a retest monthly with an equivalent exam. The average scores for the class are given by the human memory model f (t) = 80 17 log(t + 1), 0...

A registered dealer, based in Chandigarh, makes a supply to another registered dealer located in Chandigarh, valuing rupees 1,20,000. The applicable rate of GST is 12%. Calculate the amount of tax...

Write a literature review for your study. See below for an example of a literature review. Your literature review should provide both analysis and synthesis of previous studies as related to the...

Assume a population of 3, 4, and 11. Assume that samples of size n=2 are randomly selected with replacement from the population. Listed below are the nine different samples. Complete parts a through...

The University of Sydney School of Mathematics and Statistics Assignment MATH2070/2970: Optimisation and Financial Mathematics Semester 2, 2017 Web Page: http://www.maths.usyd.edu.au/u/IM/MATH2070/...

PLEASE HELP WRITE THIS IN C! NOT C++ OR ANYTHING ELSE! You must use arrays to solve the problem!!! Please keep it simple using if functions and loops! Thanks! Objectives 1. To learn how to use arrays...

PLEASE HELP ME WRITE THIS IN C! NOT C++ OR ANYTHING ELSE! THANK YOU SO MUCH! PLEASE ONLY USE ONE FUNCTION (NAMED MAIN), SIMPLE ARRAYS, AND LOTS OF "IF" LOOPS. THANK YOU! Objectives: 1. To learn how...

write it in C. there should be all the information needed. Objectives 1. To learn how to use arrays to store and retrieve data to help solving problems. 2. Reinforce use of input files. Introduction:...

3 COLLEGE ALGEBRA - TRIGONOMETRY Business and Finance (MAT115) This course will start with a review of basic algebra (factoring, solving linear equations, and equalities, etc.) and proceed to a study...

Summer and Sandcastles Resort had the following balances at December 31, 2014, before the year- end adjustments: The aging of accounts receivable yields the following data: Requirements 1. Journalize...

From the following, taken from the books of Bingo Club, prepare: (a) The income and expenditure account for the period ended 31 December 2002; (b) The subscriptions account (balanced property); and...

The balance in the Accumpulated Depreciation account represents the A ) amount charged to expense since the acoulition of the plant asset. B ) eash fund to be used to replace plant assets. C ) amount...

Calculate the present value of an annuity of $5,000 received quarterly that begins today and continues for 20 years, assuming a discount rate of 8%.

Answer Problem 7.65 for the percentage of calories from fat (separately for total fat and saturated fat) as reported on the diet record and the food-frequency questionnaire. Assume there are 9...

Apply hypothesis-testing methods to answer the questions posed in Problem 4.53?

Use hypothesis-testing methods to assess whether either treatment affects blood pressure or heart rate in patients with severe angina?

Heathrow issues $2,900,000 of 9%, 15-year bonds dated January 1, 2011, that pay interest semiannually on June 30 and December 31. The bonds are issued at a price of $3,549,590. Required: 1. Prepare...

The following information is available for Cullumber Company for the month of January: expected cash receipts $60,530; expect cash disbursements $66,380; and cash balance on January 1,$11,830....

Refer back to the Netflix and Blockbuster Financial Data handout and answer the following questions: Which of Netflixs or Blockbusters costs could be appropriately estimated using the account...