Tutors Answer Your Questions about Money Word Problems (FREE)
Question 823747: Gabe Amodeo,a nuclear physicist, needs 50 liters of a 60% acid solution. he currently has a 20% solution and a 70% solution. how many liters of each does he need to make the needed 50 liters of 60% acid solution?
Gabe needs? liters of the 20% solution.
He also needs? liters of the 70% solution.
Click here to see answer by ewatrrr(24785)  |
Question 823757: Two high speed trains are 270 miles apart and traveling toward each other. they meet in 2 hours. if one train's speed is 10 miles per hour faster than the other, find the speed of each train
The speed of the slower train is? mph. (Round to two decimal places as needed.)
the speed of the faster train is? mph. (Round to two decimal places as needed.)
Click here to see answer by TimothyLamb(4379)  |
Question 823743: two high speed trains are 270 miles apart and traveling toward each other. they meet in 2 hours. if one trains speed is 10 miles per hour faster than the other, find the speed of each train
the speed of the slower train is? mph. (Round to two decimal places as needed.)
the speed of the faster train is? mph. (Round to two decimal places as needed.)
Click here to see answer by TimothyLamb(4379)  |
Question 823750: Jim began a 171-mile bicycle trip to build up stamina for a triathlete competition. unfortunately, his bicycle chain broke, so he finished the trip walking. the whole trip took 7 hours. if Jim walks at a rate of 4 miles per hour and rides at 30 miles per hour, find the amount of time he spent on the bicycle.
Jim rode for? hours.
Click here to see answer by TimothyLamb(4379)  |
Question 823750: Jim began a 171-mile bicycle trip to build up stamina for a triathlete competition. unfortunately, his bicycle chain broke, so he finished the trip walking. the whole trip took 7 hours. if Jim walks at a rate of 4 miles per hour and rides at 30 miles per hour, find the amount of time he spent on the bicycle.
Jim rode for? hours.
Click here to see answer by josmiceli(19441)  |
Question 823896: an object is dropped from 38 feet below the tip of the pinnacle atop a 362-ft tall building. the height h of the object after t seconds is given by the equation h= -16t^2+324. find how many seconds pass before the object reaches the ground
? seconds pass before the object reaches the ground
Click here to see answer by Alan3354(69443)  |
Question 823899: one leg of a right triangle is 3 millimeters shorter than the longer leg and the hypotenuse is 3 millimeters longer than the longer leg. find the lengths of the sides of the triangle.
The length of the longer leg is? millimeters
The length of the shorter leg is? millimeters
The length of the hypotenuse is? millimeters
Click here to see answer by MathLover1(20849)  |
Question 823963: at the beginning of summer molly decided to add a little monet into her savings account every week. After 7 weeks her account had $175. Assume that she put the same amount of money into her account every week and will continue to do so.
Write an expression, define a variable for the number of weeks since she begin saving and use this variable to write a rule for the amount of money in her account.
Click here to see answer by TimothyLamb(4379)  |
Question 823961: Norman and suzanne own 37 shares of a fast food restaurant stock and 71 shares of a toy company stock. At the close of the markets on a particular day in 2004, their stock portfolio consisting of these two stocks was worth $1664.00. The closing price of the fast food restaurant stock was $26 more per share than the closing price of the toy company stock on that day. what was the closing price of each stock on that day?
The price per share of the fast food restaurant stock is $?
The price per share of the toy company stock is $?
Click here to see answer by TimothyLamb(4379)  |
Question 824100: John had $ 30,000 to invest. He invested part of this money in bonds paying 12% annual simple interest and the rest of the money in savings account giving 4% annual interest. At the end of the year, he received $2,400 as extra income. How much money did John place in each investment?
Click here to see answer by framos119(1)  |
Question 824282: A book store can purchase several calculators for a total cost of $120. If each calculator cost $1 less, the bookstore could purchase 10 additional calculators at the same total cost. How many calculators can be purchased at the regular price?
Click here to see answer by TimothyLamb(4379)  |
Question 824337: An inheritance of $290,000 is to be divided among Chris, Kelly, and Julie in the following manner: Kelly is to receive 2/3 of what Chris gets, while Julie gets 3/4 of what Chris gets. How much does Kelly receive?
multiple choice:
$40,000
$80,000
$90,000
$120,000
Click here to see answer by milo1954(10) |
Question 824502: Solve the problem.
The Family Arts Center charges $22 for adults, $17 for senior citizens, and $10 for children under 12 for their live performances on Sunday afternoon. This past Sunday, the paid revenue was $11,820 for 740 tickets sold. There were 46 more children than adults. How many children attended?
Answers:
A) 265 children
B) 219 children
C) 255 children
D) 256 children
Click here to see answer by TimothyLamb(4379)  |
Question 824501: Solve the problem.
A company has sales (measured in millions of dollars) of 50, 60, and 75 during the first three consecutive years. Find a quadratic function that fits these data, and use the result to predict the sales during the fourth year. Assume that the quadratic function is of the form y = ax^2 + bx + c
Answers:
A) y = (15/2)^x2 - (25/2)x + (325/4); sales during the fourth year = $151.25 million
B) y = -5x^2 + 40x +15; sales during the fourth year = $95 million
C) y = (5/2)x^2 + (5/2)x + 45; sales during the fourth year = $95 million
D) y = 5x^2 + 5x + 40; sales during the fourth year = $180 million
Click here to see answer by TimothyLamb(4379)  |
Question 825088: (1) The total cost of 12kg of apples and 24kg of oranges is #2160, and the total cost of 24kg of apples and 12kg of oranges is #1800. Find the total cost of 3kg of apple and 10kg of oranges.
(2) A man's income from interest is #500. He doubles his investment and also gets an increase of 5% in wages And his Income increases to #800. What was his original income separating in terms of interest(I) and wages(W)
(3) A student scores 5x marks In the first exam papers and x+10 marks in the second. He came second in the exam. The first student scoring a total of 118 marks. Find the range of value of x.
Click here to see answer by josgarithmetic(39616) |
Question 825121: John had $30,000 to invest. He invested part of this money in bonds paying 12% annual simple interest and the rest of the money in a savings account giving 4% annual interest. At the end of the year, he received $2,400 as extra income. How much money did John place in each investment?
Click here to see answer by mananth(16946)  |
Question 825213: Find the monthly mortgage payments on the following mortgage loans using either your calculator or the table in Exhibit 5.5
a. $90,000 at 6.5% for 30 years
b. $125,000 at 5.5% for 20 years
c. $97,500 at 5% for 15 years
Click here to see answer by rfer(16322) |
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