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Question 236481: Soybean meal is 16% protein; cornmeal is 8% protein. How many pounds of each should be mixed together in order to get 320lb mixture that is 10% protein?
Click here to see answer by checkley77(12569)

Question 236525: repair cost exceeds 80% of a car's value, but the car sustains $12000.00 worth of damages. What is the car's value?
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Question 236826: our math class has collected $10.25 in nickels and dimes for a class breakfast. If there is a total of 15 coins how many coins of each kind are there?
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Question 237015: An express train and a local train leave Grays Lake at 3:00 P.M. and head for Chicago 50 miles away. The express travels twice as fast as the local and arrivies 1 hour ahead of the local. Find the speed of each train algebraically and show work. I believe the speed of the trains is 40 and 20 miles per hour respectivelly.. I'm having trouble formulating the equations
Thanks
Click here to see answer by stanbon(57387)

Question 237364: a manufacturer produces three products, A, B, and C. The products are made in two different departments. Department I and II.
Find the number of units of A, B, and C which could be made if department I has 75 hours available and department II has 65 hours available. It is necessary that all of the available hours are used.
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Question 237437: There are two plans for joining the steve math club. In the first you pay $250 for an annual membership and $8 per meeting. In the second plan you just pay $13 per meeting. After how many meetings are the plans the same cost? Set up an algebraic equation and solve.
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Question 237485: How would I write the equation for:
Bill has $11.55 in dimes and quarters. He has 8 times as many dimes as quarters. How many dimes does he have?
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Question 237612: If greeting cards cost $2.50 for a box 12., $1.25 for a packet of three, or 50 cents each, then the greatest number of cards that can be purchased for $17.25 is
A. 73 B. 72 C. 77 D. 78 E. none of these
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Question 237587: A site licensing fee for a computer program is $1500. Paying this fee allows the company to use the program at any computer terminal within the company. Alternatively, the company can choose to pay $200 for each individual computer it has. How many individual computers must a company have for the site license to be more economical for the company?
These are word problems for Inequalities
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Question 238368: How do I solve this question?
If 2k + 3y = k and 4x =7y, which of the following represents the value of y in terms of k?
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Question 238683: Find the slope and the y-intercept
f(x)= -9-8
what is the slope?
what is the y-intercept?
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Question 238683: Find the slope and the y-intercept
f(x)= -9-8
what is the slope?
what is the y-intercept?
Click here to see answer by Alan3354(30993)

Question 238733: The car costs $12590 and is 20% off. What was the original price?
answer $15737.50
no comprendo. please explain!
Click here to see answer by JimboP1977(308)

Question 238711: In college there are 15 times as many students as professors. if together the students and professors number 40,000, how students are there in college?
Click here to see answer by College Student(505)

Question 238682:
Amy paid $63.36 for a pair of running shoes during a 15% off sale. What was the regular price?
Train A and B are traveling in the same direction on parallel tracks. Tran A is traveling at 100 miles per hour and train B is traveling at 125 miles per hour. Train A passes a station at 1:25p.m If train B passes the same station at 1:37p.m., at what time will train B catch up to train A?
Click here to see answer by checkley77(12569)

Question 238780: A small publishing company has a one time product cost for editing and printing of 56,430.00. Variable cost per book is $8.25. Publishe is selling the book to the store for $21.75. How many books must the publisher print and sell so that the production cost will equal the money obtained from sells.
Click here to see answer by stanbon(57387)

Question 238782: The surface area "S" of a right prism is given by s=2b+ph where "b" is the area of the base. P is the perimeter of base and "h" is the height of the prism. Solve for P
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Question 238824: Soybean meal is 12% protien; cornmeal is 6% protein. How many pounds of each should be mixed together in order to get 240 lb mixture that is 10% protein
How many pounds of the cornmeal should be in the mixture?____lb
How many pounds of the soybean meal should be in the mixture?____lb
Click here to see answer by stanbon(57387)

Question 239287: One number is five times another number. Their sum is twelve more than the smaller number. Find the two numbers.
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Question 239288: Find the equation through the point (2,4) with slope 4
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Question 240475: Please help me write out and solve this equation:
At the Shake Shack two orders of fries and four shakes costs $5.90. How much is an order of fries.
Click here to see answer by scott8148(6628)

Question 240474: Please help me write out and solve this equation:
A store owener sells two pairs of running shoes for each pair of high tops. He plans to order 144 pairs of shoes. How many pairs should be high tops?
Click here to see answer by unlockmath(1603)

Question 240624: Amy is making chocolate tea bread and a special oatmeal bread to sell at a bake sale. A batch of chocolate tea bread requires 2 eggs and 2 cups of flour. The oatmeal bread requies 3 cups of flour and 1 egg. Amy has 12 cups of flour and 8 eggs on hand. She makes a profit of $2 on both kinds of bread. Write a set of constraints that cold be used to graph the feasible region.
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Question 240603: In three years, Lacey will be twice as old as Jennifer will be. At presemt, twice Lacey's age is the same as the product of Rachel's and Jennifer's ages. If Rachel is now twice as old as Jennifer, find the ages of all three girls.
I started out with let L be Lacey's age, J be Jennifer's age and R be Rachel's age. The first equation I came up with was (L+3)=2(J+3). The second was 2L=RJ. The 3rd was R=2J...
Click here to see answer by ankor@dixie-net.com(15660)

Question 241021: what is the minimum product of two numbers that differ by 7? what are the numbers?
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Question 240358: Translate into an equation:
f varies directly as the square of b
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Question 241138: The semester average is computed by taking 1/3 of the midterm exam score plus 2/3 of t he final exam score. To get a C, Stacy must have a semester average between 70 and 79 inclusive. If Stacy scored only 48 on the midterm, then for what range of scores on the final exam will Stacy get a C?
Click here to see answer by ankor@dixie-net.com(15660)

Question 241369: The sum of two numbers is 70. The second is 10 more than 3 times the first. Find the numbers. Choose the answer with the correct equations used to solve this problem.
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Question 241428: Perform the indicated operation. Write the answer in scientific notation.

20x10^4/5x10^2
Click here to see answer by user_dude2008(1861)

Question 241436: The director of a summer day camp estimates that 100 children will join if the camp fee is $250, but for each $20 decrease in the fee, ten more children will enroll. A.)Determine the linear equation that will represent the number of children who will enroll at a given fee. B.)Approximately how many students will enroll if the camp fee is $180? Round to the nearest child. C.) How many students will enrol if the camp is free? Round to the nearest child.
Click here to see answer by stanbon(57387)

Question 241472: Find an equation of variation if the following conditions exist.
Suppose that y varies directly as z and y = 43 when z = 387.
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Question 241562: The world’s oldest bride was 19 yr older than her groom. Together, their ages totaled 185 yr. How old were the bride and the groom?
Click here to see answer by Theo(3464)

Question 241564: The base of an iscosceles triangle is 4/3cm. The perimeter of the triangle is
4 2/15cm. What is the length of either of the remaining sides?
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Question 241497: Rachel has $20,000 to invest. She plans to invest part at 5%, with the remainder invested at 6%. Find the amount invested at each rate if the total annual interest income is $1060
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Question 241496: Jorge wishes to make 150 pounds of coffee blend that can be sold for $8 per pound. The blend will be a mixture of coffee worth $6 per pound and coffee worth $12 per pound. How many pounds of each kind of cofee whould be used in the mixture?
Click here to see answer by checkley77(12569)

Question 241705: Big Giant Supermarket will sell 5 large jars and 2 small jars of their peanut butter for $36. They will also sell 2 large jars and 5 small jars for $27 what is the price of each jar?
Click here to see answer by checkley77(12569)

Question 241725: math project that i have been struggling with.let x equal the cars age in years and y equal the value after x years. You buy a car for 18000 dollars and after 8 years the car is worth 4500 dollars. assuming that the depreciation is linear find an equation which gives the value of the car overtime. find two ordered pairs from the info.
Click here to see answer by ankor@dixie-net.com(15660)

Question 241742: 18.5 is 75 more than twice a number
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Question 241758: 3.67 less than a number equals 46.33
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Question 241770: 8 times a number is 62
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Question 241772: The quotient of a number and 3 is 16
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Question 241763: 3.67 less than a number equals 46.33
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