Alex and Jack work for a computer software company. Alex can write a computer program in 24 hours, while
Jack can write it in 16 hours. How long will it take them to write the program together?
Answer: 9.6 hours
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Answer:45 minutes
Step-by-step explanation:since you walk 4 miles an hour in half of one you walk 2
Answer:
4th one its negative,linear association
Step-by-step explanation:
