SOLUTION: If jane painted a house in 4 hours and John did the same house in 6 hours. How long will it take them to paint the house together? If Lynn can type a page in p minutes, what

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: If jane painted a house in 4 hours and John did the same house in 6 hours. How long will it take them to paint the house together? If Lynn can type a page in p minutes, what      Log On


   

Question 21938: If jane painted a house in 4 hours and John did the same house in 6 hours. How long will it take them to paint the house together?


If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes?


The sales price of a car is $12,590, which is 20% off the original price. What is the original price?

Answer by Paul(988) About Me  (Show Source):
You can put this solution on YOUR website!
Jane can paint 1/4 of house in 1hour
john paints 1/6 of the house in 1hour
1%2F4x%2B1%2F6x
5%2F12x divided by 1%2F1
12x%2F5+x+1%2F1
12%2F5
Hence, together they paint the house in 2 hours and 24 minutes


5%2Fp

12590%2F20
629.5
12590+629.5 = 13219.5
Hence $13219.5 is the original price