Solve the problem below. Grace arrived from her school at 12:30 pm. She ate her lunch for 20 minutes, washed the plates for 15 minutes and brushed her teeth for 5 minutes. Then she proceeded to doing her homework for 2 hours. How long did it take her to do her routine before she could play?
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Answer:
What is asked : How long did it take to do her routine before she could play.
Answer: It took her 3 hours and 20 minutes before she could play.
Step-by-step explanation:
She started at 12:30 pm and ended at 3:10 pm.
The total minutes of her routine was done in 320 minutes. 320 minutes rounded to Hours are 3 hours and 20 minutes, 60m + 60m + 60m = 180 = 3 hours + 20 minutes = 3 hours and 20 minutes.