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Question 163490: Please help me with this problem:
It costs $28.95 per day plus $0.15 per mile to rent a car.

How much is charged for renting the car for one day and driving 220 miles?
Thank you.
Click here to see answer by gonzo(654)

Question 163491: Please help me with the following problem:
Joe’s Used Cars sold 50 cars in 1999. In 2004 they sold 180 cars.

Find the average rate of change in cars sold from 1999 to 2004.
Thanks

Click here to see answer by gonzo(654)

Question 160812: A open box is to be made from a 25inch by 40inch rectangular piece of cardboard by cutting squares of equal area from each corner and turning up the sides. If the specifications require the base the base of the box to have an area of 700sq.in., what size squares should be cut from each corner?
(Explain what the answer means in mathematical perspective.)
Click here to see answer by checkley77(12569)

Question 163627: the revenue, R, of an electronics manufacturer for selling x handheld organizers is given by R=0.25x^2-100x. The revenue of a competing manufacturers for selling similar products is R=75x. Under what circumstances will both manufacturers have the same revenue?
Click here to see answer by ankor@dixie-net.com(15624)

Question 163647: Please help me:
Find the center and the radius of the circle given by x^2+8x+y^2+6y-24=0
Thank you.
Click here to see answer by Fombitz(13828)

Question 163761: if i have2 how much more will give me 4
Click here to see answer by jojo14344(1512)

Question 163861: whats 2x+2x
Click here to see answer by adrian13r(5)

Question 163863: solve by substitution or elimination method: 3x-2y=8
-12x+8y=32
Click here to see answer by midwood_trail(310)

Question 163869: Min leaves the house traveling 28 mph in her car. She overtakes Lew in 2 hrs. Lew is riding his bicycle and left the house 5 hours before Min. How fast is Lew traveling
answer is : Lew is traveling 8 mph need a simple break down of how my book got 8mph
Click here to see answer by scott8148(6628)

Question 163862: whats 3+3
Click here to see answer by checkley77(12569)

Question 163896: The sum of two consecutive numbers is 45. If 4 times the smaller number is increased by 3 times the larger number, the result is 150. Find the numbers.
from handout MPM1D - word problems: algebraic expressions
Click here to see answer by ankor@dixie-net.com(15624)

Question 163955: An executive in an engineering firm earns a monthly salary plus a Christmas bonus of $8500. If she earns a total $97,300 per year, what is her monthly salary?
I can solve the problem, but don't know how to write the formula.
My thinking:
97,000 - 8500 = 88,800
88,800/12 = $7,400 per month
Click here to see answer by gonzo(654)

Question 163951: A rental company charges $65 a day and 30 cents a mile for renting a truck. Michael rents a truck for 3 days, and his bill comes to $275. How many miles did he drive?
I can figure out that the answer is 400 miles, but I don't know how to put it in an algebraic equation form.
Thanks
Click here to see answer by gonzo(654)

Question 163953: A cell phone company charges a monthly fee of $10 for the first 1000 text messages and 10 cents for each additional text message. Miriam's bill for text messages for the month of June is $38.50. How many text messages did she send that month?
I can figure out the answer(1285 messages) but I don't know how to write the formula.
Thanks
Click here to see answer by josmiceli(9650)

Question 164592: a rectangular field has a width of w meters. The length of the field is 2 meters less than 5 times the width. Write an expression that represents the area of the rectangle.
Click here to see answer by midwood_trail(310)

Question 164763: the perimeter of a rectangle garden is 76 ft. the length is six feet less than three times the width. find the dimensions of the garden
Click here to see answer by Mathtut(3670)

Question 164997: Mickey mows lawns 5 days a week in the summer and he works the same number of hours each day. If he works a total of 20 hours, write an equation to represent how many hours he works each day. Solve and check your equation.
Click here to see answer by midwood_trail(310)

Question 165239: 8(4.50A plumber makes $4.50 per hour more than his apprentice. During an 8-hour day their combined earnings total $372. How much does each make per hour? (Hint: If you decide to use cents instead of dollars, then use 450 cents per hour and 37200 cents total earnings.)
Click here to see answer by checkley77(12569)

Question 165238: I have twice as many nickels as quarters. If the coins are worth $4.90 how many quarters are there?
Click here to see answer by checkley77(12569)

Question 165256: One number is four more than a second number. Two times the first number is 12 more than four times the second number.
Click here to see answer by nerdybill(6948)

Question 165255: Julie and Eric row their boat (at a constant speed) 45 miles downstream for 5 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 9 hours. Find the rate of the
Click here to see answer by midwood_trail(310)

Question 165473: a group rental a cabin for 300$ for weekend if one more person goes alonge the price per person is reduces by 10$ how many people are in the original group
Click here to see answer by stanbon(57222)

Question 166248: The highway has a 6% grade on descent, which means it's slope is - 6/100. Driving on this road, you notice from elevation signs that you have descended a distance of 1000 ft. What is the change in your horizontal distance?
Click here to see answer by stanbon(57222)

Question 166271: Three lighthouses on three nearby islands flash their lights every evening beginning at 8:35pm. On one island, the ligh flashes every 45 seconds. The lighthouse on the second island has a light that flashes every 2 minutes. The third lighthouse flashes a light every 1 1/4 minutes. At what time will all three lights flash together again?
This is a problem of the week just given to my child on a single piece of paper.

Click here to see answer by checkley77(12569)

Question 166920: Algebra
You are working with three different numbers. When the first number is added to twice the other two numbers, the result is 64 (x + 2y + 2z= 64). When the second number is added to twice the other two numbers the result is 62. Finally, when the third number is added to twice the other two numbers, the result is 59. what are the three numbers??
Click here to see answer by ankor@dixie-net.com(15624)

Question 167042: Eleven less than the quotient of a number and 3 is 18. Find the number.
Click here to see answer by jojo14344(1512)

Question 166817: a piece of bar stock 32in. long is cut into two unequal lentghs. one piece is 3 times as long as the other. how long is each piece? 24in and 8in is the answer im not sure how to write it out
Click here to see answer by jojo14344(1512)

Question 167435: 18 less than the product of 4 and the mystery number was equal to 15 more than the number. Find the mystery number?
Click here to see answer by jojo14344(1512)

Question 167568: The greater of two numbers is 5 more than the smaller. If the smaller is added to twice the greater, the results is 22. Find both of the numbers
Word problem always stump me
x+5 + 2x = 22
3x+5 = 22
Click here to see answer by sowmya(32)

Question 167571: The smaller of two numbers is 3 less that the larger. Twice the larger plus 4 times the smaller is 36. Find the numbers

Click here to see answer by sowmya(32)

Question 167908: Michael received $1,000 as a graduation gift. He invested part of the money at 5% and the rest at 6%. His interest after one year is $58. How much did he invest at each rate?
Click here to see answer by checkley77(12569)

Question 168139: Two traveler were 125 Kilometers apart at 2:00pm and were headed toward each other. If they met at 3:15p.m. and one was traveling 20 kilometers per hour faster than the other, what was the speed of each traveler?
Click here to see answer by Mathtut(3670)

Question 168137: What is the algegra equation for this word problem:
Train leaves a station traveling at 64 kilometers per hour. Train B leaves the same direction at 74 kilometers per hour. How long does it take train b to catch up to train a?
Click here to see answer by ankor@dixie-net.com(15624)

Question 169022: Natasha drove from Bedington to Portsmouth at an average speed of 100 km/h. On the way back she drove at 75 km/h. Her trip took a total of 3.5 hours. What is the distance between Bedington and Portsmouth?
Click here to see answer by checkley77(12569)

Question 169031: A rectangular parcel of land is 70 ft. longer than it is wide. Each diagonal between opposite corners is 130 ft. What are the dimensions of the parcel?
Click here to see answer by nerdybill(6948)

Question 169265: Julie and Eric row their boat (at a constant speed) 45 miles downstream for 5 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 9 hours. Find the rate of the current.
Click here to see answer by josmiceli(9650)

Question 169293: Tony has 600 feet of fencing to use in making a yard for her new puppy. The yard she has planned has a length that is 75 feet less than twice the width. What are the dimensions of the yard?
Click here to see answer by Mathtut(3670)

Question 169364: The sum of two numbers is six. The sum of the squares of the two numbers is twenty. Find the two numbers.
Click here to see answer by Mathtut(3670)

Question 169579: The perimeter of a rectangle is 148 feet. The length is 14 feet greater than 1.5 times the width. What is the length?
Answer is 50 feet. How was that found?
Click here to see answer by checkley77(12569)

Question 169682: A car rental company has two rental rates. Rate 1 is $72 per day plus $0.16 per mile. Rate 2 is $144 per day plus $0.08 per mile. If you plan to rent for one week, how many miles would you need to drive to pay less by taking rate 2?
Click here to see answer by Mathtut(3670)

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