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Question 312869: a wholesale outlet has 2 grades of coffee, one selling at 8$/KG and the other 10$/KG. Sam wants to mix the 2 grades together. he wants to make 200KG of the mixture and selli it for 8.75$/KG. How much of each grade should be mixed?
Click here to see answer by checkley77(12844)

Question 313035: Soybea meal is 12% protein, cornmeal is 6 % protein. How many pounds of each should be mixed in order to get a 240lb mixture that is 8%?
Click here to see answer by Fombitz(32388)

Question 313177: The Andrews are selling their home. They want to keep $150,000 after paying a 7% commission to a realtor. For how much must they sell the house(to the nearest dollar)?
Click here to see answer by rfer(16322)

Question 314049: One�person�can�do�a�job�in�8�hours.�a�second�person�can�do�it�in�12�hours.�if�the�first�peron�works�2�hours�less�than�the�second,�how�many�hours�will�it�take�them�working�together?
Can you please show me how to do the work I don't need the answer persay just help with setting up the problem! This would be so appreciated.�
Click here to see answer by scott8148(6628)

Question 314258: A manufacturer produces two models of the same toy: Model A and Model B. Model A takes 4 hours to produce and costs $8/each. Model B takes 3 hours to produce and costs $7/each. If the manufacturer allots a total of 5800 hours and $12,600 for production each week, how many of each model will be produced?
Thanks in advance for any assistance!
Click here to see answer by ankor@dixie-net.com(22740)

Question 314606: Amy's weight is 6 pounds more than twice Casey's weight. The sum of the weights is 210 pounds. Find Amy and Casey's weights.
Click here to see answer by eshomali(33)

Question 314845: The sum of 15 and Chrissy's score is 45. Use the variable c to represent Chrissy's score. Is there any way possible that you can break this problem down for me to understand it better?
c+15=45
c+15-15=45-15
c=30
is my understanding of problem is it correct
Click here to see answer by nerdybill(7384)

Question 314928: Stacy is selling candy bars. She sold 28 on the 4th day, she sold 34 on the 5th day and she sold 40 on the 6th day. Use an algebraic expression to determine how many candy bars she will sell on the 15th day.
Click here to see answer by checkley77(12844)

Question 315116: The depth d of an aquarium tank for dolphins satisfies |d-50|<5,
Rewrite this a compound inequality that does not involve the absolute value function.
Click here to see answer by malaydassharma(59)

Question 315205: Jim is able to sell a hand-carved statue for $670 which was a 35% profit over his cost. How much did the statue originally cost him?
Click here to see answer by nerdybill(7384)

Question 311495: list out all the subgroups of Z_30
Click here to see answer by mina_poli7@yahoo.com(1)

Question 315483: Write the following expressions as a complex number in standard form.

Click here to see answer by Edwin McCravy(20055)

Question 315482: determine the number of real solutions of 36x squared -12x+52=0 by using the discriminant.
Click here to see answer by Fombitz(32388)

Question 315485: a square piece of cardboard is formed into a box by cutting out 2-inch squares from each of the corners and folding up the sides. if the volume of the box needs to be 180.5 cubic inches, what size square piece of cardboard is needed?
Click here to see answer by ankor@dixie-net.com(22740)

Question 315743: girls test scores in 1998 averaged 159, boys were 140, by 2002 girls were 160, boys were 136 so in 4 years the girls went up 1 pt. and the boys went down 4.Here is the formula given Girls W= 1/4x + 159. Boys W= -x + 140.W is the average writing score X years after 1998.
1.If current trends continue, when will the average test score for girls be 49 points higher than for boys?
2.If the current trends continue, when will the average test score for girls be 54 points higher than for boys?
They printed the answer for #1 as the year 2022, but I don't know how to get it. If I could answer the 1st then the second should be easy. I don't know how to set it up.
Click here to see answer by stanbon(75887)

Question 316113:
Click here to see answer by jim_thompson5910(35256)

Question 316681: I'm having trouble with word problems. Can someone help please!
The perimeter of a rectangle is 34 feet. Find the length and width if the width is 3 less than the length
Click here to see answer by rfer(16322)

Question 316737: Five times the difference of ten and five is twenty five
Click here to see answer by stanbon(75887)

Question 317000: a balloon is tied to a rope the is in the ground. a breeze blows the balloon so that rope is taut while balloon is directly above a flag pole 70 ft away from where the rope is staked. find the altitude of the balloon if the rope is 120 ft long?
Click here to see answer by mananth(16946)

Question 316999: an airport has a sloping ramp from the terminal down to the door of the airplane. the door of the airplane is 43 ft away from terminal( where the ramp starts) and is 4 ft below the terminal side of the ramp. how long is the ramp?
Click here to see answer by mananth(16946)

Question 317352: you are on a roof of a building. you throw a ball into the air with a velocity of 32ft/s. the ball is 48 ft above the ground when it leaves your hand. how many seconds will it take for the ball to reach the ground? use the vertical motion formula -16t^+ vt + s =h.
Click here to see answer by stanbon(75887)

Question 317350: the function p=-5t^+70t+600 models a company's profit in thousands of dollars, where t is the number of years since 1990.
a) estimate the company's profit in 2005.
b) use the function to predict in what year the company will break even.
Click here to see answer by nerdybill(7384)

Question 317419: you are collecting stamps in 16 cents and 21 cents denominations. You have total of $36.21, how many 16 cent stamps and how many 21 cent stamps do you have?
Click here to see answer by Fombitz(32388)

Question 317402: "A number cubed less the number tripled"
"The smoke stacks of the luxury liner cleared the bridge by 25 ft as it passed beneath it. Express the height of the stacks in terms of the bridge's height."
"As his reputation and referral business grew, Keith began to charge $75 per service call plus an hourly rate of $50 for the repair and maintenance of home computers. Express the cost of a service call in terms of the number of hours spent on the call."
Click here to see answer by Fombitz(32388)

Question 317628: Can someone please help! I need to solve for 'w' but i dont know how to solve it, can someone show me the steps on how to solve.
(2/8)+(3/4)= (w/6)
Click here to see answer by rfer(16322)

Question 317626: Can someone show me the steps on how to solve this type of problem.
(a-5)/(2)= (3a)/(2)+(a-30)/(6)
Click here to see answer by checkley77(12844)

Question 318406: A backpack manufacturer produces an internal frame pack and an external frame pack. Let X represent the number of internal frame packs produced in one hour and let Y represent the number of external frame packs produced in one hour. Then the inequalities X+3<18, 2x+y<16 , x>0 , and y>0 describe the constraints for manufacturing both packs. Use the profit function f(X)=50x+80y and the constraints given to determine the maximum profit for manufacturing both backpacks for the given constraints.
Click here to see answer by Fombitz(32388)

Question 318479: seven times a number plus the sum of three and twice a number is 30
Click here to see answer by ankor@dixie-net.com(22740)

Question 318363: Greetings,
Francois went 36 miles downstream and returned. The round trip took 5+1/4 (5.25) hours. Find the speed of the boat in still water and the speed of the current if the speed of the current is 1/7 the speed of the boat.
Thank you in advance for any assistance, have a great week!
Click here to see answer by ankor@dixie-net.com(22740)

Question 318404: Machine A can produce 30 steering wheels per hour at a cost of $8 per hour. Machine B can produce 40 steering wheels per hour at a cost of $12 per hour.
The company can use either machine by itself or both machines at the same time. What is the minimum number of hours needed to produce 380 steering wheels if the cost must be no more than $108?
Click here to see answer by Fombitz(32388)

Question 319341: translate to an algebraic expression
29 multiplied by n

Click here to see answer by vleith(2983)

Question 320223: The shortest side of a triangle is 8 inches less than the medium side, and the longest side is 4 inches longer than 3 times the shortest side. if the perimeter is 27 inches, find the length of the sides.
Click here to see answer by rfer(16322)

Question 320121: If you sell an item that cost 0.25 dollars to make at 2.00 an item. what would be the percent of markup on each item sold?
Click here to see answer by checkley77(12844)

Question 320473: Write the algebraic equation for the following statement. Use only one variable. Do not solve.
Joe travels 200 miles to visit his family for the holidays. If he travels 70 miles per hour, how long will it take him to make the trip.

Click here to see answer by checkley77(12844)

Question 320541: a rocket is divided into three sections. the payload and navigation section in the top, the fuel section in the middle and the rocket engine section in the bottom. the top section is one-sixth the lenght of the bottom section. The middle section is one-half the length of the bottom section. The total length is 240ft. find the lenght of each section
Click here to see answer by mananth(16946)

Question 320875: 25 less than h (don�t use the < sign!)
Click here to see answer by jim_thompson5910(35256)

Question 322722: A student averages 84 on five tests. If the student received grades of 84, 82, 81, and 79 on the first four exams, what grade did the student receive on the fifth exam?
Click here to see answer by QH(50)

Question 322719: Lydia takes ten minutes more to complete an illustration than Tom. The total time taken by both of them is six hours. How much time did each require?
Click here to see answer by Fombitz(32388)

Question 322724: The price of one brand of athletic shoes is $5 more than another brand. If the prices of the two pairs of shoes add to $230, how much does each pair cost?
Click here to see answer by rfer(16322)

Question 322723: A man buys five DVDs for $66.34, including 7% sales tax. How much did each DVD cost?
Click here to see answer by rfer(16322)

Question 322820: A 120-foot-long rope is cut into 3 pieces.The first piece of rope is twice as long as the second piece of rope. The third piece of rope is three times as long as the second piece of rope.What is the length of the second piece of rope.What is the length of the longest piece of rope?
Click here to see answer by rfer(16322)

Question 323477: For a holiday party, Laura is making a seven-layer torte, which consists of seven 8-inch diameter cake layers with a cream topping on each layer. She knows that one recipe of cream will cover 55 square inches of cake. How many batches of the topping must she make to complete her torte? (Use п = 3.14 as an approximate value)

I do not understand what they are asking?

Click here to see answer by rfer(16322)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545