Chantel is studying for her history test. After 20 minutes, she is 1/4 of the way done. How much longer will she study?

1 hour, because if you take 20 mins and multiply it by 4 you get 60 mins, and 60 mins is 1 hour

Step-by-step explanation:

60 more minutes

Step-by-step explanation:

if 1/4 = 20mins then 2/4= 40mins 3/4= 60mins and 4/4= 80 mins. you will subtract 4/4 -1/4 because you already studied 1/4. then you get 3/4 Wich equals 60 mins

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step-by-step explanation:

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