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Answer:#29 answer: 1 hour and 1/12. #30, 0.75 minutes.
Step-by-step explanation:
For number 29, you have to find the least common denominator which is 12. then you have to mulitply 5 by 2 which is ten. Multiply 1 by 3 also. then the answer should come up as 13/12 if you add them up. For number 30, just do 8.25-7.50 which is 0.75.
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