Working alone, john can complete a task in 150 minutes. kasey can complete the same task in only 120 minutes. john and kasey work together for 30 minutes and then alicia joins in. together they finish the task 20 minutes later. how long would it take alicia to complete the task by herself?

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What is 20+(5 x 2/5 )+ 3 show your work

1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?