While waiting for his grandma to arrive, Patrick spent 1/2 of an hour on the phone with a friend and 1/4 of an hour listening to the radio. How long did Patrick spend waiting for his grandma? Write your answer both in minutes and as a fraction of an hour.

Answer :

20kdowell

Answer:he spent 45 minutes in the car

Step-by-step explanation:half an hour and a quarter hour i dont know the equation

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