Advanced Work Rate Word Problem

" A man can lay a concrete sidewalk in 5 days; his assistant can lay the same sidewalk in 8 days. After working together for 2 days, the man is called away. How long will it take the assistant to... more

06/14/15

Solve the following system

2x-3y+z=5     x+y+z=0   4x+2y+4z=4

Algebra word problem help, please!

Nicholas takes a boat ride down a river to visit an island at the mouth of the river. The boat leaves the docks at 9:15 am and reaches the island at 10:34 am. He spends several hours on the island,... more

06/10/15

algebra word problem

A family has two cars. The first car has a fuel efficiency of 40 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. During one particular week, the two cars... more

06/09/15

A truck can be rented from company A for $90 a day plus $.40 per mile. Company B charges $30 a day plus $.70 per mile.

For company A to have a better deal, the truck must be driven more than ____ miles per day.

a married couple had a combined annual income of 58,000. the wife mad 2000 more than her husband. what was each of their incomes

I just need to know the answer to this question for some hw assignment 

06/03/15

Bill is twice as old as his brother Dan. IN 7 years , Bill will be 1.5 times as old as Dan will be.How old is Bill now?

Bill is twice as old as his brother Dan. IN 7 years , Bill will be 1.5 times as old as Dan will be.How old is Bill now?

What's the equation?

Mercedes saves $50 each month. Ken saves $40 each month, and he started with $100. After how many months will they have the same amount saved?

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