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Question 245167: The perimeter of a rectangle is six times the width. If the length were increased by 4 inches and the width were increased by 7 inches, then the perimeter would be 160 inches. What are the length and the width?
Click here to see answer by ankor@dixie-net.com(22740)

Question 245234: Find the x- and y-intercepts (if any) for each line. Show your work.
Plot those intercepts, and graph the two lines. Submit your graph through the Dropbox.
Apply elimination or substitution to find the coordinates of the point of intersection (if there are no solutions or infinite solutions, state this).
x + 5y = 2
2x = -10y + 4
Click here to see answer by stanbon(75887)

Question 245327: I just want to make sure I did this problem right and if I didn't, could someone please help me.
David bought a used car that, with interest, cost $959. He paid $215 down and agreed to pay the balance in 12 equal monthly payments. Find the amount of each payment.
This is what I did: $959-$215= $744 You need to divide $744 by 12 to get the answer of $62.00 per month.
I hope this is correct. If not, can you tell me what I did wrong? Thank you!
Click here to see answer by dabanfield(803)

Question 245330: Collect like terms
11p+3q-3p-5q=
Click here to see answer by dabanfield(803)

Question 245330: Collect like terms
11p+3q-3p-5q=
Click here to see answer by MathTherapy(10552)

Question 245636: A seed company sells one-ounce packets of a mixture of marigold seeds. Pretty Face marigolds sell at $.50 per ounce and Golden Face marigolds sell at $.40 per ounce. The mixture will sell at $.45 per packet. How many ounces of each kind of seed will be used?
Click here to see answer by TheProdicalSon(34)

Question 245960: A ranger in fire tower A spots a fire at a direction of 32�. A ranger in fire tower B, which is 22 miles directly east of tower A, spots the same fire at a direction of 54�. How far from tower B is the fire?
Click here to see answer by solver91311(24713)

Question 246040: How many ml of acid would you need to add to 50ml of 30% acid solution to make a 50% acid solution?
Click here to see answer by nerdybill(7384)

Question 246159: Farmer Jessica's Produce Stand sells 21 kg bags of mixed nuts that contain 38% peanuts. To make her product she combines Brand A mixed nuts which contain 40% peanuts and Brand B mixed nuts which contain 35% peanuts. How much of each does she need to use?
Click here to see answer by checkley77(12844)

Question 246167: This years price for a certain car is 25% higher than last years price of $8800. What percent of this years price is last years price?
Click here to see answer by dabanfield(803)

Question 246179: find the amount in an account if $920 is invested at 7 3/8 percent
Click here to see answer by rfer(16322)

Question 246284: A goldsmith mixes 10oz of a 30% gold alloy with 20oz of a 15% gold alloy. what is the percent concentration of the resulting alloy?
Click here to see answer by richwmiller(17219)

Question 246873: a beaker contains 15 milliliters of 20% alcohol solution. how many milliliters of a 60% alcohol solution should be added in order to make a 30% solution?
Click here to see answer by checkley77(12844)

Question 246889: A standard deck of 52 playing cards consists of four different suits
and 13 cards of different ranks in each suit. Four cards will be drawn at
random without replacement from this deck. The probability that the
four cards will be all the same suit is k times the probability that they
will be all the same rank. What is the value of k?
Click here to see answer by josmiceli(19441)

Question 247198: Please help me find the answer of this word problem:
Nikki added 25ml of water to 100ml of a 10% saline solution.What is the concentration of salt in the resulting solution?
thank you. I hope you will show the solution.
Click here to see answer by scott8148(6628)

Question 247351: the length of a rectangle is 4 less than 3 times the width. The area is 160 square inches. Find the permeter (so first, find the width and length)
Click here to see answer by checkley77(12844)

Question 247511: How many ounces of a 6% iodine solution needs to be added to 12 ounces of a 10% solution to create a 7% solution?
Click here to see answer by checkley77(12844)

Question 247534: a chemist has 40 ml of a solution that is 50% chlorine. How much water should he add to make a solution that is 10% chlorine?
Click here to see answer by checkley77(12844)

Question 247528: How many ounces of a 6% iodine solution needs to be added to 12 ounces of a 10% solution to create a 7% solution?
Click here to see answer by checkley77(12844)

Question 248059: I am having trouble with this one.
2 solutions of h2so4. one is 40% concentration and one is 25% concentration. how much of each do I need to get 137 liters of 36% solution?
Click here to see answer by stanbon(75887)

Question 248036: two solutions of h2so4. one has 40% concentration and one has 25% concentration. How many liters of each must be mixed to get 137 liters of 36% solution?
Click here to see answer by richwmiller(17219)

Question 248087: I'm just simply stuck. I can think through many parts of it in my mind. I can't remember how to put it in a formula.
How many ounces of 5% alcohol solution must be mixed with 16 ounces of a 10% alcohol solution to make a 6% alcohol solution?

Click here to see answer by stanbon(75887)

Question 248199: Pls. help me
The longer side of a rectangle is 4 less than twice the shorter side. The perimeter of the rectangle is 40. Find the length of each side of the rectangle.
Click here to see answer by stanbon(75887)

Question 248167: the left and right page number of an open book are two consecutive integers whose sum is 161. find these page numbers.

the smaller number___________
the larger number_______________
Click here to see answer by Fombitz(32388)

Question 248227: I don't understand how to do this problem; it's not anywhere in my notes:
"John received an inheritance of $80,000. She invested part at 7% and deposited the remainder in tax-free bonds at 6%. Her total annual income from the investments was $5000. Find the amount invested at 7%."
Click here to see answer by richwmiller(17219)

Question 248176: the total number of medals won by athletes in each of the country A,B,C and D are four consecutive integers whose sum is 86. find the number of medals for each country.
Click here to see answer by scott8148(6628)

Question 248401: How much water needs to be mixed with a 15% dye solution to get 24 gallons of a solution that is 5% dye?
Click here to see answer by checkley77(12844)

Question 248129: how many liters of water must be added to 8 liters of a 40% acid solution to obtain a 10% acid solution?
How many kg of pure salt must be added to 20 kilograms of a 10% salt solution to obtain a 25% salt solution?
Click here to see answer by ankor@dixie-net.com(22740)

Question 248715: How many ml of 70% acid solution must be added to a 20% acid solution to obtain 100 ml of a 50% acid solution?
Click here to see answer by richwmiller(17219)

Question 248768: How much water must be evaproated from 36 ounces of a 7% salt solution to make a 9% salt solution?
Click here to see answer by Alan3354(69443)

Question 248824: If to my age there added be; one half, one third and three times three six score and ten the sum what's my age
Click here to see answer by oberobic(2304)

Question 248990: An alloy of copper and tin is 20% copper. How many pounds of copper must be added to 20 pounds of the alloy to get an alloy that is 50% copper?
Click here to see answer by ankor@dixie-net.com(22740)

Question 249149: by weight one fertilizer is 20% potassium, 30% nitrogen and 50% phosphorus. a second fertilizer has percents of 10%, 20% and 70% respectively and a third fertilizer has percentage of 0%, 30% and 70% respectively. how much of each should be mixed to get 200 kg of fertilizers with percents of 12%, 25% and 63% respectively?
Click here to see answer by Theo(13342)

Question 249334: How many gallons of a 10% salt solution should be added to 20 gallons of a 60% salt solution to obtain a 50% salt solution?
Click here to see answer by checkley77(12844)

Question 249334: How many gallons of a 10% salt solution should be added to 20 gallons of a 60% salt solution to obtain a 50% salt solution?
Click here to see answer by dabanfield(803)

Question 249695: Two liters of 40% acid are mixed with 4 liters of another acid to form a 50% acid solution. What is the strength of the added acid?
Click here to see answer by richwmiller(17219)

Question 249770: 1. How many gallons of a 10% solution. Would need to be added to a 20% solution to obtain 50 gallons of a 30% solution?
2.How many gallons of milk containing 4% fat is mixed with milk containg 1% fat to obtain a 15 gallon mixture containing 2% fat?
Click here to see answer by Alan3354(69443)

Question 250015: Word Problem
"The owners of a candy store want to sell for $5.00 per pound, a mixture of chocolate-covered raisins, which usually sells for $3.00 per pound, and chocolate-covered macadamia nuts, which usually sells for 8.00 per pound. They have a 50 pound barrel of the raisins. How many pounds of the nuts should they mix with the barrel of raisins so that they hit their target value of $5.00 per pound?
Click here to see answer by richwmiller(17219)

Question 249901: how many ounces of 15% salt solution must be added to the 30 ounce of 70% salt solution to produce a 45% salt solution?
Click here to see answer by checkley77(12844)

Question 250064: The sum of two integers is 0; their product is -16. Find the numbers
Click here to see answer by richwmiller(17219)

Question 250213: Please help me solve this problem. How many grams of salt must be added to 40 grams of a 28% salt solution to obtain a 40% salt solution?
Click here to see answer by checkley77(12844)

Question 250289: How many liters of a 10% acid solution must be mixed with 5 liters of a 25% acid solution to give a 15% solution?
Click here to see answer by richwmiller(17219)

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