SOLUTION: a train left a station at noon going 40 mph. a second …
a train left a station at noon going 40 mph. a second train left at 3 p.m. going 60mph. at what time will the second train catch up to the first The distance traveled by two trains will be same when they meet. Only the times are different Let them meet after time t after the first train starts distance traveled by first train =40t
SOLUTION: going down the river a boat went 10mph. going up …
Question 497590: going down the river a boat went 10mph. going up the river it only went 2mph. find the current and the speed of the boat if there were no current. Answer by josmiceli(19441) (Show Source):
Algebra Word Problem Solvers
Solve the equation. Find the remaining variables. The older brother Bob is two year older than his little sister Alice. Taken together, the sum of their ages is 8. Bob is two years older than Alice. Bob's age plus Alice's age = 8. Bob's age B and Alice's age A. Get rid of B. Bob is 2 years older than Alice, so you can use A+2 instead of B.
Lesson Solving Age Problems - Algebra Homework Help
x = Dan's age now. x + 9 = Cary's age now {Cary is 9 yrs older than Dan} x + 7 = Dan's age in 7 years. x + 16 = Cary's age in 7 years. x + 7 + x + 16 = 93 {in seven years the sum of their ages will be 93} 2x + 23 = 93 {combined like terms} 2x = 70 {subtracted 23 from both sides} x = 35 {divided both sides by 35}
SOLUTION: I have a math problem with a circle graph that I …
Question 838262: I have a math problem with a circle graph that I cannot get the correct answer every time I try. the graph is Pets owned by sixth graders 5% own birds; 5%own reptiles; 10% fish; 35%cats; 45% dogs. the question is if 30 sixth graders own birds, how many sixth graders were surveyed?
A boat traveled 336 miles downstream and back. - Algebra …
You can put this solution on YOUR website! A boat traveled 336 miles downstream and back. The trip downstream took 12 hours.
Questions on Word Problems: Coins answered by real tutors!
Here are two such solutions. (1) Changing the numbers of each kind of coin. Take away the three "extra" dimes so that the numbers of pennies, nickels, and dimes are all the same; that makes the total value of the coins $3.97 - $0.30 = $3.67.
SOLUTION: A fair coin is flipped 12 times. Find the probability that ...
You can put this solution on YOUR website! This is the probability of 9,10,11,12 are tails. nine would be 12C9(1/4096), since it is 1/2 heads and 1/2 tails and the product will be (1/2)^12
SOLUTION: it took a boat 2 hours to reach town A going …
Algebra -> Customizable Word Problem Solvers -> Travel-> SOLUTION: it took a boat 2 hours to reach town A going upstream. The way back 1 hour and 20 minutes. The way back 1 hour and 20 minutes. What is the speed of the boat in still water if the speed of the stream is 3 MPH Log On
SOLUTION: Going Round-Trip with the World’s Fastest Land …
Question 884189: Going Round-Trip with the World’s Fastest Land Animal According to the Travel Almanac, the world’s fastest land animal is the cheetah. It can travel at up to 70 mph. Think of this scenario: A cheetah sitting under a tree sprints toward its prey at 70 mph. It runs back to its initial spot by the tree at a modest 40 mph.