Answer:
19 minutes 39 seconds
Step-by-step explanation:
In 7 days, Anthony has improved his time by ...
7 × 3 seconds = 21 seconds
The time that is 21 seconds shorter than 20 minutes is 19 minutes 39 seconds.
Anthony's time today is 19:39 minutes:seconds.
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You are expected to know that there are 60 seconds in a minute.
last one
288
21,000%60=
-2 C < 4 C
