MATH
posted by Gian .
It takes Hank twice as long ot build one table as it takes to build one chair. If it takes 30 hours to make a dinning room set of 1 table and 4 chairs, how long does it take to make the table?

MATH 
Ms. Sue
Let c = the time for one chair.
4c + 2c = 30
6c = 30
c = 30/6
c = ?
Respond to this Question
Similar Questions

algebra
Here's the problem: It takes Stan 20 days to build a house by himself. When his wife, Brenda, joins him, it takes only 14 days. How long does it take Brenda to build a house on her own? 
college algebra
'A mason can build a wall in onehalf the time it takes an apprentice. Together they build the wall in 12 hours. How long would it take the apprentice working alone to build the wall? 
math
An elementary school has a large lunch room containing many tables. One day at lunch, the children at one table decide to see how long it will take to spread a rumor throughout the entire room. Each minute, the number of tables that … 
math
An elementary school has a large lunch room containing many tables. One day at lunch, the children at one table decide to see how long it will take to spread a rumor throughout the entire room. Each minute, the number of tables that … 
Algebra
It takes matt 9 hrs longer to build a wall than it takes chris. Working together they can build the wall in 20hrs. how long would it take each working alone to build the wall? 
math
A blue candle is twice as long as a red one. The blue takes 6 hours to burn out and red takes 15 hours. After 5 hours, what fractional part of each is left? 
math
A blue candle is twice as long as a red one. The blue takes 6 hours to burn out and red takes 15 hours. After 5 hours, what fractional part of each is left? 
math
mr. smith pants 5 wooden chairs in 4 hours. if each chair takes the same amout of time to paint, what fraction of an hour does it take mr. smith to paint one chair? 
maths
if it takes 10 men 6 months to build a house, how long will it take one man? 
Math
Suppose that the amount of time it takes to build a highway varies directly with the length of the highway and inversely with the number of workers. Suppose also that it takes 100 workers 6 weeks to build 4 miles of highway. How long …