1,477 Answered Questions for the topic Linear Equations

Linear Equations

10/28/15

Linear equation

Working together, two persons finished a job in 28/11 days. Working alone, one person took 3days longer to do the job than the other. How long did each take to finish the job?
Linear Equations

10/28/15

Linear equation

Two water pipes can fill an empty tank in 10hr. If the larger pipe can fill the tank in 4.5hr less time than is required by smaller pipe, how long will it take each pipe alone to fill the tank?
Linear Equations

10/28/15

linear equation

The perimeter of a rectangle is 60 meters and the length is 5 more than the width. What is thelength?
Linear Equations

10/28/15

linear equations

A handyman makes $20/hour. His assistant makes $12/hour. They work together for 5 hours,the the assistant leaves to do another job. The total bill was $200. How many hours “extra” didthe handyman... more
Linear Equations

10/28/15

linear equations

It takes Al 3 hours to do a job. It takes Bob 4 and Fred 6. How fast could they do the jobtogether?
Linear Equations

10/28/15

The temperature in a tea kettle goes from 450 to 800 in 2 minutes. Write a linear equation for each situation.

Y=mx+b How do I solve a linear equation using the word problem given?
Linear Equations

10/28/15

linear equations

14 gallons of gas cost $43. What is the price of 10 gallons?
Linear Equations

10/28/15

Bob can do the job in 3 hours. If Al helps the job takes only 2 hours. How long would it take Bob by himself?

Linear equation
Linear Equations

10/28/15

Right now Bob is 2.5 times as old as Al. In 5 years he will only be twice as old. How old is Bob now?

linear equation
Linear Equations

10/28/15

2. It takes 5 men 6 hours to do a job, how long would it take 3 men?

linear equation
Linear Equations

10/28/15

linear equation

A container holds 5 gallon of a gas oil mixture in a 50:1 ratio (gas to oil). How many fl oz of oilshould be added to change the mixture into a 40:1 mix? (1 gallon=128 fl oz)
Linear Equations

10/28/15

linear equations

Bob buys Halloween candy. Some pieces cost 2¢ each and some cost 5¢ each. There are 7more of the 2¢ pieces. The total cost was $1.54. How many 5¢ pieces were purchased?
Linear Equations

10/28/15

linear equation

Bob plants a small garden next to his garage. The side of the garage is one length of theenclosed rectangle. The other length and two sides are enclosed using 56 feet of fence. If thelengh of the... more
Linear Equations

10/28/15

she mixes 2 1/2 of grape with 1 1/2 of orange. grape cost $1 more than orange. total cost is $12.50

im in 8th grade so yeah
Linear Equations

10/28/15

alexis earns 2 1/2 times as much as gary james earns $18 more than gary the total salary is $306, find alexis salary.

well im in 8th grade and this is just what were studying  

application problem

one solution contains 40% alcohol. A second contains 60%. You need 20 L of 45% solution. How many L of the 40% should be used. I have to write an equation and solve
Linear Equations

10/26/15

Manufacturing, no solid numbers except the sum.

A manufacturer produces three models of DVD Players in a year. Four times as many of model A are produced as model C, and 7000 more of model B than C. If the total production for the year is 97 000... more
Linear Equations Word Problem

10/21/15

word problem, linear equation, define variable, create equation and solve

Esther, Beowulf, Cwene, and Durwyn were dividing up a bag of gold coins from a dragon's hoard   Esther took three more than one quarter of the coins in the bag  Beowulf took two more than one... more
Linear Equations Word Problem

10/20/15

Word Problem, define variable, create equation, & solve

Train A leaves a station at 8:00 and travels at 100km per hour towards the next city. One and a half hours later, Train B, an express leaves the same station traveling at 160 km per hour along the... more
Linear Equations Word Problem

10/20/15

define variable, create equation, and solve (written below)

Jessica is six times as old as Sophie, who is two years older than Lucas. In six years, Jessica will be four times as old as Lucas. How old is Jessica     
Linear Equations

10/20/15

2 Variables Word problems

Some students, teachers, and parents are going on a field trip to an art museum. There are 56 students, s, going on the trip. Each group of 8 students will have a parent or a teacher as an adult... more

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