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Painting a house

Jack can paint a house in 4 hours, Jill can make a house in 6 hours. How long it takes if you paint a house together?? I tried many ways to calculate this, but I still do not. . Thank you. Basically … The rate is Jack paints house 1house/4hrs or fourth house / hr. Jill rate = 1/6 House / hr want to know that the sum of the rates is. Fourth house / hr + 1/6 House / hr Having similar terms, we will switch to a common denominator and add: 3/12 h / hr + 2/12 h / hr = 5/12 home / hr So if they paint 5/12 together each time, then, in 2 hours, have 10/12 made, leaving 2/12 to be painted. We know that the painting at a rate of 5/12 of the house for hours. Want to know how many hours it takes to paint 2/12 remaining. 2/12 divided by 5/12 =? Invert and multiply: 2/12 x 12/5 = 2/5 of an hour, or 24 minutes so it takes 2 hours and 24 minutes.

The house across from the Westboro Baptist Church is getting a paint job rainbow pride. – On the Bonus Show: NYC smoking proposal, the turkey burger Burger King. . .

Updated: March 4, 2014 — 5:32 am
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