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

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Question 29770: A WHOLE NUMBER IS DIVISIBLE BY 3 IF THE SUM OF IT'S DIGITS IS DIVISIBLE BY 3...NOT SURE HOW TO ANSWER THIS ONE PLEASE HELP.
Click here to see answer by Earlsdon(6287)

Question 29768: A WHOLE NUMBER IS DIVISIBLE BY 3, IF IT'S SUM IS DIVISIBLE BY 3..NOT SURE HOW TO DO THIS PLEASE HELP..
Click here to see answer by Cintchr(481)

Question 28381: two consecutive even integers whose sum is 126
three consecutive odd intergers whose sum is 117
two consecutive even integers whose sum is 217
three consecutive even integers whose sum is 396
Click here to see answer by jb007mi6(53)

Question 29545: I do not understand these at all. Ex. Jake paid $100.70 including 6% tax for a color printer. How much did the printer itself cost?
Click here to see answer by ikdeep(226)

Question 29729: create the number 24 using the numbers 1, 3, 4, and 6. You can add, subtract, multiply and divide. You can use parentheses too. You can only use each digit once. You cannot use exponents. You can't do (14-6) x 3 . I am a parent trying to help my son on this and I have tried many different things. Thank you for any help.
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30618: the long distance plan for the regular in home phone costa 6.95 per month plus 0.05 per min for long distance calls both within your states and between states with no limit to the number of minutes of call time.cellular phone is a flat monthly fee of 59.99that includes 450 min of anytime local or long distance calls. which plan is more economical. write an expresion that represents the monthly costs for the in home rate plan also for the monthly cellular rate plan
Click here to see answer by Nate(3500)

Question 30799: Diffence between two loans is $10000, both loans have 5% annual interest rate. If the total interest is $2000 after one year how much was each loan?
Click here to see answer by Fermat(127)

Question 30798: sum of two consecutive numbers = to the difference of those two numbers. what is the two numbers?
Click here to see answer by Fermat(127)

Question 30758: Find the next two terms for the number sequence 100,20,3,0.4. Thank you.
Click here to see answer by checkley71(8403)

Question 30758: Find the next two terms for the number sequence 100,20,3,0.4. Thank you.
Click here to see answer by Nate(3500)

Question 30905: Three chickens in three days laid three eggs. How many eggs will be laid by six chickens in six days.
Click here to see answer by longjonsilver(2297)

Question 31106: Three consecutive intergers are such that the first plus one-half the second plus seven less than twice the third is 2101. What are the integers? Help!!!
Click here to see answer by blubunny01(20)

Question 31102: Three consecutive intergers are such that the first plus one-half the second plus seven less than twice the third is 2101. What are the integers? Help!!!
Click here to see answer by venugopalramana(3286)

Question 31097: Three consecutive intergers are such that the first plus one-half the second plus seven less than twice the third is 2101. What are the integers?
Click here to see answer by venugopalramana(3286)

Question 31243: The question is:
The Sum of a number and it's reciprocal is 10/3. What is the number?
I hope you can get back to me before monday.
Thanks.
Click here to see answer by mbarugel(146)

Question 31364: one number is 12 more than another. The sum of the smaller number and twice the large number is 39. Find the larger number.
Click here to see answer by Paul(988)

Question 31364: one number is 12 more than another. The sum of the smaller number and twice the large number is 39. Find the larger number.
Click here to see answer by checkley71(8403)

Question 31465: What is the sum of the first 500 odd counting numbers?
Click here to see answer by Paul(988)

Question 31635: Question:
A college has seven instructors qualified to teach a special computer lab course which requires two instructors to be present. How many different pairs of teahers could there be?
(A) 42
(B) 49
(C) 15
(D) 21
Please help. Would the answer be (B) 49?
Thanks!
Click here to see answer by Cintchr(481)

Question 31636: Question:
Account bumbers for Northern Oil COmpany consist of nin digits. If the fist digit cannot be a 0, or a 1, how many account numbers are possible.
(A) 8,000,000,000
(B) 900,000,000
(C) 800,000,000
(D) 1,000,000,000
Thank you in advanced for your help.
Click here to see answer by mbarugel(146)

Question 31649: Can you help please.
The question reads: The number of bacteria present in a culture after t minutes is given as B=10e^kt. If there are 2167 bacteria present after 15 minutes, kind k.
(A) 0.384
(B) 80.678
(C) 0.359
(D) 5.379
Thanks for your help!
Click here to see answer by mukhopadhyay(490)

Question 32071: Pedro goes to the market and buys a total of 32 plums and peaches for $52. A plum costs $2 and a peach $1. How many plums did pedro buy ?
Click here to see answer by Paul(988)

Question 32471: A briefcase lock has 3 rotating cylinders, each containing 10 digits. How may numerical codes are possible?
Click here to see answer by checkley71(8403)

Question 32854: Find two consecutive odd integers such that for times the larger is 29 more than three times the smaller.
Click here to see answer by sarah_adam(201)

Question 33138: cannot seem to get this!!! from my teacher's own problem solving packet. it reads...
The larger of two consecutive even integers is six less than twice the smaller. Find the numbers.
thank you tons!!!
Click here to see answer by mukhopadhyay(490)

Question 33419: This word problem is stumping me. I can't figure out how to write the equations needed for it. please help.
The sum of the digits of a three-digit number is 11. If the digits are reversed, the new number is 46 more than 5 times the old number. If the hundreds digit plus twice the tens digit is equal to the units digit, then what is the number?

I have come up with x+y+z = 11

I'm lost on the second equation.
and i'm pretty sure the third equation is
x+2y = z
I hope I'm at least close. I would appreciate any help.
Click here to see answer by longjonsilver(2297)

Question 33849: A group of friend submit bill for $ 13069 equally between them . how many were in the group?
Click here to see answer by kietra(57)

Question 33848: At a temperature of 20 degree centigrade the common amoeba reproduces by splitting in half every 24 hours. if we start with a single amoeba how many will there be after (a) 8 days (b) 16 days?
Click here to see answer by venugopalramana(3286)

Question 33076: abc is a triangle in which ab = 12 cm , ca = 13cm , c b = 5 cm find m (< abc )
Click here to see answer by kietra(57)

Question 33965: what number increased by 3.5% of it self equals 621?
Click here to see answer by stanbon(57377)

Question 33968: a dress is priced at $21.42 hte storre is having a 30%-off sale. what was the orignal price of the dress?

Click here to see answer by stanbon(57377)

Question 33967: one man recieved 15% more than another man when they shared an inheritance of $4,300.00/ how much did each man receive?
Click here to see answer by fanism(39)

Question 33961: directions:solve problems using two unkowns and a system of two equations.
the diffrence of two numbers is -1. if twice the first number is added to three times the second number, the result is 13. what are the numbers
Click here to see answer by fanism(39)

Question 33959: directions:solve problems using two unknowns and asystem of two equations.
one number is 7 more than another number. the sum of these two numbers is 101. what are the numbers?
Click here to see answer by fanism(39)

Question 34061: The sum of the digits of a two-digit number is 9. If the digits are reversed, the new number is 27 less than the original. Find the original number.
Click here to see answer by fanism(39)

Question 34054: 4)CLASSIC PROBLEM - A traveling salesman (selling shoes) stops at a farm in the Midwest. Before he could knock on the door, he noticed an old truck on fire. He rushed over and pulled a young lady out of the flaming truck. Farmer Brown came out and gratefully thanked the traveling salesman for saving his daughter’s life. Mr. Brown insisted on giving the man an award for his heroism.
So, the salesman said, “If you insist, I do not want much. Get your checkerboard and place one penny on the first square. Then place two pennies on the next square. Then place four pennies on the third square. Continue this until all 64 squares are covered with pennies.” As he’d been saving pennies for over 25 years, Mr. Brown did not consider this much of an award, but soon realized he made a miscalculation on the amount of money involved.
a)How much money would Mr. Brown have to put on the 32nd square?
Answer:
Show work in this space

b)How much would the traveling salesman receive if the checkerboard only had 32 squares?
Answer:
Show work in this space

c)Calculate the amount of money necessary to fill the whole checkerboard (64 squares). How much money would the farmer need to give the salesman?
Answer:
Show work in this space
Click here to see answer by fanism(39)

Question 34175: solve :
Click here to see answer by longjonsilver(2297)

Question 34614: One number is 2 more than twice another. If the product of the numbers is 2 more than twice their sum, find the numbers.
Click here to see answer by Paul(988)

Question 34667: A group of friend share $ 13.69 equally between them. How many were in the group?
Click here to see answer by checkley71(8403)

Question 35417: Maria is 3 years younger than Raquel. The sum of thier ages is 31. How old is each one
Click here to see answer by narayaba(40)

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