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Tutors Answer Your Questions about Evaluation Word Problems (FREE)
Question 305372: A marketing group developing online ad space is offering two payment options:
Option 1: $210 set up fee plus $10/inch of the ad.
Option 2: No set up fee but $25/inch of the ad.
Let x = inches of the proposed ad, for example x=2 for a colum ad that is 2
a) Write a mathematical model representin the total ad cost, c, in terms of x for the following:
Option 1: C=
Option 2: C=
b) How many inches of ad space would need to be purchased for option 1 to be less than option 2? Set up an inewuality and show work algebraically usint the information in part a. Summarize the findings in a brief sentence.
Click here to see answer by Theo(13342)   |
Question 305918: Students in a math class need an average of at least 90 points to earn an A. One student's test scores are 88, 91, and 85. What must the student score on the next test to earn an A? Show all work and steps. Use an equation.
Click here to see answer by checkley77(12844) |
Question 307872: A student receives his grade report from a local community college, but the GPA is smudged. He took the following classes: a 2 hour credit art, a 3 hour credit history, a 4 hour credit science course, a 3 hour credit mathematics course, and a 1 hour science lab. He received a “B” in the art class, an “A” in the history class, a “C” in the science class, a “B” in the mathematics class, and an “A” in the science lab. What was his GPA if the letter grades are based on a 4 point scale? (A=4, B=3, C=2, D=1, F=0)
I looked up the answer and its supposed to be 3.0, but I don't get it. I tried substituting the grades for the number on the scale and the getting an average but that gets me 3.2
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 307871: Grace has 16 jellybeans in her pocket. She has 8 red ones, 4 green ones, and 4 blue ones. What is the minimum number of jellybeans she must take out of her pocket to ensure that she has one of each color?
I know the answer is 13 but I don't even know where to begin. It doesn't make any sense.
Click here to see answer by PRMath(133) |
Question 308251: Kevin invested money in a savings account at a rate of 5% simple interest. After one year, he has $4347.00 in the account. How much did Kevin originally invest?
Include all steps necessary to get your answer.
I don't under stand the simple interest formula?!?!
Click here to see answer by mananth(16946)  |
Question 308798: Donesha has $100 in five, ten and twenty dollar bills. Donesha has twice as many five dollar bills as ten dollar bills, and she has one more twenty than she has tens. How man of each denomination does she have? We are working on solving applied problems with three equations. I just need some help with the equations. Thank you.
Click here to see answer by scott8148(6628)  |
Question 310508: A choir is singing at a festival. On the first night 12 choir members were absent, so the choir stood in 5 equal rows. On the second night only 1 member was absent so the choir stood in 6 equal rows. The same number of people stood in each row each night. How many members are in the choir?
Click here to see answer by ankor@dixie-net.com(22740) |
Question 310816: I am not sure what kind of probelm this is or how to begin to solve it?? Can someone please help me? I have a collection of marbles and if I borrow 5 marbles from a friend, I can arrange marbles in rows of 13 each. What is the remainder if I divide the original number of marbles by 13? I understand that I divide but what?? How do I figure how many rows? if I subtract 5 from 13 I get 8 and if I divide that by 13 then I get .6, is this what the problem is asking me for?
Click here to see answer by solver91311(24713)  |
Question 311570: jimmy is a partner in an internet based coffee supplier. The company offers gourmet coffee beans for $11 per pound and regular coffee beans for $4 per pound. Jimmy is creating a medium price product that sell for $6 per pound. The first thing to go into the mixing bin was 12 pounds of gourmet coffee beans. How many pounds of the less expensive regular beans should be added
Click here to see answer by checkley77(12844) |
Question 313216: Stephen is traveling for the weekend. His parents sain they would give him $2.50 for each gallon of gas he uses. Since gas costs more than $2.50 a gallon, Stephen needs to put in an extra $30.75 for his trip. If he spent altogether $120.50 on gas, how many gallons of gas did he buy?
Click here to see answer by rfer(16322) |
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