Mike and Mindy can make paintings in 6 days, Mindy and Josh can make those paintings in 10 days. If Mike, Mindy & Josh together can finish the work in 4 days, then Mike & Josh together will do it in how many days?

Mike and Mindy can make paintings in 6 days, Mindy and Josh can make those paintings in 10 days. If Mike, Mindy & Josh together can finish the work in 4 days, then Mike & Josh together will do it in how many days?

1). 2/15 days
2). 7/30 days
3). 8/17 days
4). 10 days

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