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

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Word Problems: Numbers, consecutive odd/even, digits

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Question 200291: What is the sum of the non-prime numbers of 12?
Click here to see answer by solver91311(5068)

Question 200430: the sum of 2 numbers is 15 less than twice the first number. their difference is 5 less than twice the second number. find each of the numbers
Click here to see answer by RAY100(1637)

Question 200546: The number of prime numbers less than ten thousand with digits that have a sum of 2 or 3 is
a)4 b)3 c) 6 d) 5 e) 2
Click here to see answer by solver91311(5068)

Question 200590: I am thinking a number. when i divided that number by 1/2 I get 3 times my original number. what is original number?
Click here to see answer by checkley77(7032)

Question 200604: A company hired Ronnie and Kenny as consultants. Together they made 14,500 dollars. If Ronnie had earned 500 dollars less, both he and Kenny would have been paid the same. How much were they each paid?
Click here to see answer by RAY100(1637)

Question 200601: Andrew can paint the neighbors house 3 times as fast as Bailey. The year Andrew and Bailey worked together, it took them 7 days. How long would it take each to paint the house?
Click here to see answer by ankor@dixie-net.com(6684)

Question 200670: If p, r, and s are 3 different prime numbers greater than 2, and n= p x r x s
then how many positive factors, including 1 and n, does n have?

Click here to see answer by vleith(1977)

Question 200702: If v,w, x,y, and z are positive consecutive integers whose sum is 0, then what is the value of z+v/y-v
Click here to see answer by rfer(2681)

Question 200720: in a second year college class of 100 students, 40 studied mathematics, 64 studied psychology, 50 studied chemistry, 20 studied both math and chemistry, 24 studied both math and psychology, 8 studied chemistry but neither math or psychology, 10 studied all the 3 subjects, while 12 did not take any of the three. How many studied math only? How many studied psychology only? How many studied psychology and chemistry but not mathematics?
Click here to see answer by rfer(2681)

Question 200750This question is from textbook Elementary Algebra

: Pam scored 78 on a test that had 4 fill-ins worth 7 points each and 24 multiple choice questions worth 3 points each. She had one fill in wrong. How many multiple choice questions did Pam get right.
Equitate to algebra terms. This question is from textbook Elementary Algebra

Click here to see answer by ankor@dixie-net.com(6684)

Question 200850: If 4a+3b=27 and 3a+4b=29, then 7a+7b/2=?
Click here to see answer by RAY100(1637)

Question 200848: in x years from now, Robert will be k years old. How old was Robert m years ago?
The possible answers are: a) x-(k+m)
b) k-x
c) k-x-m
d) x-(k-m)
e) k+m-x

Thank you for helping me!
Click here to see answer by jim_thompson5910(13785)

Question 200846: if x onions cost r cents, how many onions can be bought with d dollars?
the choices are: a) 100d/xr
b) r/100dx
c) 100r/dx
d) 100dx/r
e) dx/100r
Thank you for helping me!
Click here to see answer by Alan3354(6044)

Question 200849: George has 9 more dollars than Frank, who has 3 more than Richard. What is the least amount of money that must be exchanged so that they each have the same amount of money?
Click here to see answer by solver91311(5068)

Question 200929: The number 9 can be written as the sum of 9 consecutive integers. What is the product of these 9 integers ?
Click here to see answer by jim_thompson5910(13785)

Question 201278: sum of two numbers is 18. the total of three times the smaller and twice the larger is 44 find the two numbers
Click here to see answer by vleith(1977)

Question 201360: One number is less than another. If the sum of the first number and twice the scond number is 45, find the two numbers.
Click here to see answer by RAY100(1637)

Question 201534: How many three digit numbers start with a prime digit, have an even digit in the
middle, and an odd digit at the end?
Click here to see answer by Alan3354(6044)

Question 201638: Hello! Could you help me please to sove this problem?I cannot recive to integers number and I cannot find my mistake.
The product of two consecutive even integers is 28 less than the square of larger number. Find the two integers.
I've written:
Click here to see answer by Alan3354(6044)

Question 201663: Find two numbers whose sum is 55 and whose difference is 13. (we will call the numbers xandy)
Click here to see answer by rfer(2681)

Question 201870: On Sunday, a local hamburger shop sold a combined total of hamburgers and cheeseburgers. The number of cheeseburgers sold was three times the number of hamburgers sold. How many cheeseburgers were sold on Sunday?
Click here to see answer by rfer(2681)

Question 202045: the diffrence between two numbers is 11 when the larger number is added to two times the smaller the sum is 59 what are the two numbers
Click here to see answer by jim_thompson5910(13785)

Question 202088: There are exactly four times as many submarines as there are aircraft. Which of the following can be the total number of submarines and aircraft combined?
1. 35
2. 63
3. 39
4. 41
I took algebra so long ago now, but there are a couple of questions like this and I just cán´t remember how to set the problem up.

Click here to see answer by stanbon(26249)

Question 202094: Find 3 consecutive even numbers where the product of the smaller two numbers is 64 less than the square of the largest number
Click here to see answer by ankor@dixie-net.com(6684)

Question 202095: Find 3 consecutive even numbers where the product of the smaller two numbers is 64 less than the square of the largest number
Click here to see answer by checkley77(7032)

Question 202310: If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?
Click here to see answer by solver91311(5068)

Question 202272: twelve players make up a high school basketball team. the team jerseys are numbered 1 through 12. the players wearing the jerseys numbered 3,6,7,8,and 11 are the only players who start a game. using set notation, list the complement of this subset.
Click here to see answer by stanbon(26249)

Question 202289: hi, i find these question's extremley difficult.....so can you plzz show me how to solve these questions....thanks

1) A chemist mixes a 20% solution and a 50% solution to obtain a 40% solution. If 300g of solution was obtained, how much of each type of the original solutions were used?
2)It took Terry 7 hours to drive the 390 km from Cold Bay to Hot Lake. For the first part of the trip he averaged 60 km/h, but was forced to slow down for the remainder of the trip to 50km/h.
(a) How many hours did Terry spend driving at each speed?
3)How can you tell by looking at an equation whether it has one, none or infinite solutions?
Click here to see answer by rfer(2681)

Question 202378: Find 4 consecutive even integers where the product of the two smaller numbers is 56 less than the product of the two larger numbers.
Click here to see answer by Theo(667)

Question 202443: The sum of two consecutive positive odd integers is at most 7. What is the lesser integer?
a) 4 b) 3 c) 2 d) 1
Click here to see answer by stanbon(26249)

Question 202659: One number is twice another. The sum of the two numbers is 39. Find the larger number
Click here to see answer by vleith(1977)

Question 202650: If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes?
Click here to see answer by jim_thompson5910(13785)

Question 202750: An investor put 75% of his money into a 6% simple annual interest account and 25% of his money into a 5% annual interest account. Find the amount invested if the total amount of annual interest earned is $4312.50. What is the amount invested at 6%? Round to the nearest dollar.
Click here to see answer by Earlsdon(4898)

Question 202801: How many six digit numbers are there which DO NOT contain a 5?
Click here to see answer by jim_thompson5910(13785)

Question 202814: Two numbers have a sum of 16. If one number is x, express the other number in terms of x.
Click here to see answer by jim_thompson5910(13785)

Question 202804: An old woman goes to market and a horse steps on her basket and crashes the eggs. The rider offers to pay for the damages and asks her how many eggs she had brought. She does not remember the exact number, but when she had taken them out two at a time, there was one egg left. The same happened when she picked them out
three, four, five, and six at a time, but when she took them seven at a time they came out even. What is the smallest number of eggs she could have had?
Click here to see answer by checkley77(7032)

Question 202783: A square cardboard of side 1.2m has a 10 cm wide border round the exterior of three of its sides. Find the area of the border?
Click here to see answer by Earlsdon(4898)

Question 202829: the square of a number is the same as twice the number. find the number
Click here to see answer by stanbon(26249)

Question 202857: Separate 71 into two parts such that 40 exceeds ⅔ of one part as much as the other exceeds 16.
Click here to see answer by RAY100(1637)

Question 202878: The difference of two numbers is -8 and the product is 20. The smallest number is?
Click here to see answer by dyakobovitch(40)

Question 202878: The difference of two numbers is -8 and the product is 20. The smallest number is?
Click here to see answer by MathTherapy(336)

Question 202847: The pH of a substance is 5.342. The [H30+] is?
a. 4.55E-06 moles/liter
b. 5.342E05 moles/liter
c. 2.1979E05 moles/liter
d. 2.1979E-05 moles/liter
Click here to see answer by scott8148(3382)

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