# Questions on Word Problems: Evaluation, Substitution answered by real tutors!

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Evaluation -> Questions on Word Problems: Evaluation, Substitution answered by real tutors!      Log On

 Ad: Over 600 Algebra Word Problems at edhelper.com Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Word Problems: Evaluation, Substitution Solvers Lessons Answers archive Quiz In Depth

 Question 431729: WHEN TWICE A NUMBE R IS DECREASED BY 4, THE RESULT IS 236. WHAT IS THE NUMBER? Click here to see answer by rfer(12644)

 Question 431982: I don't know figure out this equation: solve for y (-x + 3y = 6) can you please tell me how can I figure out this equation. Thanks Click here to see answer by solver91311(16868)

 Question 432251: What is the slope of any line perpendicular to the line formed by the equation -7x + 63y = 9? Click here to see answer by algebrahouse.com(1079)
 Question 432251: What is the slope of any line perpendicular to the line formed by the equation -7x + 63y = 9? Click here to see answer by Alan3354(30925)

 Question 432488: Alyssa, Lexi, and Melanie went to a concert and their seat numbers were consecutive integers such that twice the smallest was 8 more than the largest. Find the seat numbers. Click here to see answer by ewatrrr(10682)

 Question 432626: If y varies inversely as x and y= 200 when x= 4, find y when x= 10 Click here to see answer by vleith(2825)

 Question 432654: Carla and Benicio work in a men's clothing store. They earn commission from each suit and each pair of shoes they sell.Fo selling 3 suits and one pair of shoes, Carloa has earned \$47 in commission. For selling 7 suits and 2 pairs of shoes, Benicio has earned \$107 in comission. How much do the salespeopole earn for the sale of a suit? For the sale of a pair of shoes? Click here to see answer by jorel1380(2518)

 Question 432720: Which will hold more liquid, a glass 12 cm tall with a diameter of 6 cm, or a cup 8 cm tall with a diameter of 8 cm? How much more? Click here to see answer by edjones(7569)

 Question 432744: A farmer is digging a pond 32 yards long, 25 yards wide, and 3 yards deep. How many cubic yards of dirt will be removed? Click here to see answer by edjones(7569)

 Question 432836: Given these sets: A = {1,2,3,4} B = {3,4,5,6,7} C = {3,5,7,9} list the elements of this set: C⋂(A⋃B) Click here to see answer by Edwin McCravy(8879)

 Question 433116: The speed r to drive a constant distance is inversely proportional to the time t. Shari drove from home to her vacation cottage in 6hrs at a rate of 35 miles per hour. Find the rate she needs to drive to get back home in 5 hrs. Click here to see answer by rwm(914)

 Question 433114: Is this true or false? Two lines with negative slopes can be perpendicular. Please explain why/why not! Thank you :) Click here to see answer by katealdridge(100)

 Question 433248: Marty drove his fully loaded moving van 270 miles to Memphis. With his van empty, Marty drove 15 mi/h faster and made the return trip in 1.5 hours less. Find the speed going to Memphis. Click here to see answer by jorel1380(2518)

 Question 433510: The reciprocal of 5 less than a number is 4 times the reciprocal of twice the number. Find the number. Click here to see answer by stanbon(57203)

 Question 433540: Beth is two years older than Julio. Gerald is twice as old as Beth. Debra is twice as old as Gerald. The sum of their ages is 38. How old is Beth? Click here to see answer by htmentor(788)

 Question 433483: last week wilbur ran 18.3 miles less than arjun + wilbur ran 13 miles + how many miles did arjun run? Click here to see answer by jorel1380(2518)

 Question 433556: Nick has a beautiful rectangular garden, which measures 3 m by 3 m. He wants to create a uniform border of river rocks around three sides of his garden. If he wants the area of the border and the area of his garden to be equal, how wide should the border be? I've got a length of 9 - 2w. And a width of 4.5 However my textbook's got an answer of 0.84 m. Please clarify as to what I've done incorrectly by showing all steps. Click here to see answer by josmiceli(9645)

 Question 433567: An object that is projected straight downward with initial velocity v feet per second travels a distance s=vt+16t^2, where t = time in seconds. If Ramón is standing on a balcony 84 feet above the ground and throws a penny straight down with an initial velocity of 10 feet per second, in how many seconds will it reach the ground? Click here to see answer by ankor@dixie-net.com(15622)

 Question 433605: Andy’s average driving speed for a 4-hour trip was 45 miles per hour. During the first 3 hours he drove 40 miles per hour. What was his average speed for the last hour of his trip? Click here to see answer by robertb(4012)

 Question 433717: You are driving at a constant speed on a freeway. At 4:30 PM you drive by a sign that gives the distance to Montgomery, Alabama as 84 miles. At 4:59 PM, you drive by another sign that gives the distance to Montgomery as 56 miles. a) Write a linear equation that gives your distance from montgomery in terms of time t. (Let t=0 represent 4:30 pm and let t be measured in minutes.) b) Use the equation in part (a) to find the time when you will reach Montgomery. Click here to see answer by rwm(914)

 Question 433715: After opening the parachute, the descent of a parachutist follows a linear model. At 2:08 PM the height of the parachutist is 7000 feet. At 2:10 PM the height is 4600 feet. a) Write a linear equation that gives the height of the parachutist in terms of time t. (Let t = 0 represent 2:08 PM and let t be measured in seconds.) b) Use the equation in part (a) to find the time when the parachutist will reach the ground. Click here to see answer by josmiceli(9645)

 Question 434083: Discrete Math: What is the probability that an odd number between 1000 and 9000 contains no repeated digits? Click here to see answer by richard1234(5390)

 Question 434077: Discrete Math: From a group of 5 men and 7 women, how many 5-person teams can be chosen that consist of 3 men and 2 women? Click here to see answer by richard1234(5390)

 Question 434207: Discrete Math: 1. Among the residents of New York City (population 7,000,000), must there be at least two people with the same number of hairs on their heads, why or why not? Assume the average head contains 300,000 hairs. 2. Show that in a group of 85 people at least 4 must have the same last initial. Click here to see answer by richard1234(5390)

 Question 434899: A pet store has a total of 35 dogs,cats,and rabbits. The number of rabbits is 1 more than the number of dogs & there are 3 fewer rabbits than cats. How many cats are in the pet store? Click here to see answer by htmentor(788)