Math

need direction on part c.

Rosa and her friend build & paint a tree house. On monday they paint 2/5 of the tree house. On tuesday they paint 3/7 of the house.

A - painting of the house need to be finished on wednesday. how much more work do they have to do? 14/35 + 15/35=29/35
They need to paint 6/35 more of the house.

B - They use 1 2/3 quart of paint on monday and 1 3/4 quart of paint on tuesday. how much paint did they use in all? 1 8/12 + 1 9/12= 3 5/12 quarts used in all.

C - How much paint will they need on Wednesday? (stuck)

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  1. Stuck on this as well. I think you need to take 29/35 \ 41/12, which then we get a common denominator of 420 and I really wouldn’t mind lightening it up, but I digress. So 348/420 / 1435/420 which gets rid of the 420, so 1435/358 is the entire job. We then need to subtract what we already used which is the fraction amount 42/12 or 3.42. Sooo 4.12-3.42=.70. And they don’t have enough cause they need .75. And I can tell you after have many houses painted, this situation never happens and I want my Wednesday night back

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  2. You did the math wrong.

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