Questions on Word Problems: Numbers, consecutive odd/even, digits answered by real tutors!

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Question 318979: the product of two consecutive positive integers is 26 more than twice their sum. What are the integers?
Click here to see answer by mananth(12270)

Question 319192: The sum of a number and 5 times its reciprocal is 6. Find the numbers
Click here to see answer by jim_thompson5910(28595)

Question 319415: find a number that is twice its square root,increased by 7 is 9
Click here to see answer by ankor@dixie-net.com(15652)

Question 319471: Determine the last digit of 3^3^3
Click here to see answer by Edwin McCravy(8909)

Question 319526: on a particular eveninga theater sold 113 tickets. children's tickets sold for $3.50 and adult tickets sold for $6.00. If the amount collected for the itckets was $633, how many of each ticket were sold?
Click here to see answer by checkley77(12569)

Question 319629: The product of two natural numbers is 24. Their smallest possible sum is
a 10 b 11 c 12 d 14 e 25
Click here to see answer by Alan3354(30993)

Question 319680: The sum of three numbers is 3. The first, minus the second, plus three times the third, is -7. The third plus 3 times the first, plus the second is 11. What are the numbers?
Click here to see answer by mananth(12270)

Question 319772: A two Digit number is three less than seven times the sum of its digits if the digits are reversed, the new number is 18 less than the original number what is the original number?
Click here to see answer by mananth(12270)

Question 319971: Please help me solve this word problem: A certain radioactive element decays at a rate of 4% per year. Find the half-life of the substance (i.e. the time it will take for one half of any given amount of the substance to decay).
Click here to see answer by stanbon(57361)

Question 319968: Please help me solve the word problem: Find the doubling time for money invested at 3% compounded continuously.
Click here to see answer by ankor@dixie-net.com(15652)

Question 320037: The sum of a number and 70 is 147. write an equation. let z = the unknown number
Click here to see answer by rfer(12660)

Question 320066: The square of a natural number is four more than two times another natural number. The second number is two less than three times the first number. Determine the two natural numbers algebraically.
Click here to see answer by mananth(12270)

Question 320098: you are given a two -digit positive integer. if reverse the digits of your number. The result is a number which is 20% larger than your number . what is your number ?
Click here to see answer by stanbon(57361)

Question 320171: Please help me solve this word problem: A town census shows population of 2400 in 1980 and 3600 in 1990. If the exponential rate of population increase continues, what will be the population in 2010?

Click here to see answer by stanbon(57361)

Question 320172: Please help me solve this word problem: A certain radioactive element decays at a rate of 4% per year. Find the half-life of the substance (i.e. the time it will take for one half of any given amount of the substance to decay).
Click here to see answer by Edwin McCravy(8909)

Question 320189: Copier a can print 20 color pages per minute copier b can print 18 color pages per minute. If both machines begin printing at the same instant, how long will it be until they again begin printing a page exactely at the same time?
Click here to see answer by checkley77(12569)

Question 320187: A cattle train left Miami and traveled toward new York. 14 hours later a diesel train left traveling 45km/hr in an effort to cach up to the cattle train. What was the catles train average speed?
Click here to see answer by checkley77(12569)

Question 320259: Two picture frames have the same perimeter. One is a square and the other an equilateral triangle. Each side of the triangle is 6 inches longer than each side of the square. Find the dimensions of each frame. State your answer clearly.
Click here to see answer by ankor@dixie-net.com(15652)

Question 320258: The sum of the second and fourth of four consecutive integers is 120. Find the four consecutive integers. State your answer clearly.
Click here to see answer by Alan3354(30993)

Question 320317: Twice the product of 3 and a number exceeds the sum of the number and 80 by 10. What is the number?

Click here to see answer by nyc_function(2733)

Question 320355: One Integer is twice another , and their sum is 96, find the integers
Click here to see answer by checkley77(12569)

Question 320416: the sum of the second and fourth of four consecutive integers is 120. find the four consecutive integers.
Click here to see answer by ankor@dixie-net.com(15652)

Question 320442: two positive integers have a sum of 21 and a product of 108. what are the integers?
Click here to see answer by Sunny Day(15)

Question 320503: five times the sum of 3 and some number is 70 what is the number

Click here to see answer by rfer(12660)

Question 320485: Find the product of 32 and 46. Now reverse the digits and find the product of 23 and 64. The products are the same. Does this happen with any pair of two-digit numbers? Find two other pairs of two-digit numbers (with different digits) that have this property.
Explain your thinking in solving this problem and also include any mathematical work.

Click here to see answer by checkley77(12569)

Question 320598: i am confused about this math question,
two less than a number y is seven times y.
im not sure if the number is y or a different number like x
Click here to see answer by nyc_function(2733)

Question 320592: How would you explain to another student how to decide if any given polynomial is prime or not?
Click here to see answer by Alan3354(30993)

Question 320641: the sum of three consecutive odd integers is 963. what are the integers?
Click here to see answer by mananth(12270)

Question 320787: the sum of two numbers is 5 and their difference is 2.which of the following could be the difference of their squares
Click here to see answer by Alan3354(30993)

Question 320745: If x and y are positive consecutive odd integers, where y > x. which of the following is equal to y^2-x^2?
(A)2x
(B)4x
(c)2x+2
(D)2x+4
(E)4x+4
Click here to see answer by ankor@dixie-net.com(15652)

Question 320986: Which of these numbers is the units digit of the number 2^l00 + 1 ?
A) 2 B) 5 C) 9 D) 6 E) 7
Click here to see answer by Alan3354(30993)

Question 321067: can you please help solve a polynomial? x^2-34x+325
Click here to see answer by stanbon(57361)

Question 321179: Which of these digits is the units digit of the number 9^99 −4^44?
A) 4 B) 3 C) 9 D) 5 E) 1
Click here to see answer by Alan3354(30993)

Question 321179: Which of these digits is the units digit of the number 9^99 −4^44?
A) 4 B) 3 C) 9 D) 5 E) 1
Click here to see answer by toidayma(44)

Question 321148: The number 2002 is equal to the sum of 7 consecutive natural numbers. What is the
smallest of these 7 numbers?
Click here to see answer by Alan3354(30993)

Question 321332: I need help with the following word problem:
The sum of a positive number and its square is 210. find the number.
thank you!
Click here to see answer by mananth(12270)

Question 321332: I need help with the following word problem:
The sum of a positive number and its square is 210. find the number.
thank you!
Click here to see answer by MathTherapy(1424)

Question 321335: if three numbers are added in pairs the sum equal 10,19 and 21.find the numbers
Click here to see answer by solver91311(16897)

Question 321436: E, M, O, and R represent 4 different digits. What is the value of R?
E R O M
x 9
_________________________________
M O R E

R) 9 B) 0 C) 1 D) 7 E) B
Click here to see answer by Edwin McCravy(8909)

Question 321399: A two-digit number has a tens digit 1 greater than the units digit. The sum of the number and the number formed by reversing the digits is 77. Find the number.
Is it 10(x + 1) + x + 10(x) + x + 1 = 77: How is it written? Thank you.
Click here to see answer by scott8148(6628)

Question 321402: The tens digit of a two-digit number is 5 more than the units digit. If 3 is subtracted from the number and 2 is added to the reversed number, the former will be twice the latter. What is the number? Is it 2[10(x+5)+ x - 3] = 2 + 10(x)
+ x + 5? How is it written? Thank you.
Click here to see answer by scott8148(6628)

Question 321529: the sum of the page numbers on the facing pages of a book is 505. Find the smalled page number.
Click here to see answer by Alan3354(30993)

Question 321617: the sum of an even integer and twice it's consecutive even integeris 76.what are the integers? please translate this into consecutive number problems

Click here to see answer by mananth(12270)

Question 321624: How many natural numbers between 0 and 1 001 are the multiples of 10?
A) 8 B) 100 c) l0 D) 90 E) 58
10,20,30,40.........1000.
It forms an A.P where a=10, l=1000, d=10
l=a+(n-1)d
1000=10+(n-1)10
990=(n-1)10
99=n-1
100=n
so answer is b

Click here to see answer by etuition4u(1)

Question 321649: Dorothy bought two computers, one desktop and one laptop. Before finance charges, the laptop cost $1000 more than the desktop. Dorothy paid for the computers using two different financing plans. For the desktop the interest rate was 5% per year, and for the laptop it was 9.5% per year. The total finance charges for one year were $638.75. How much did the desktop computer cost before finance charges?
Click here to see answer by Theo(3464)

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