.It is now four twenty.Miss Jackson finished her book a quarter of an hour ago.At what time she fini

.It is now four twenty.Miss Jackson finished her book a quarter of an hour ago.At what time she fini

题目
.It is now four twenty.Miss Jackson finished her book a quarter of an hour ago.At what time she finishes it?
答案
a quarter of an hr = 15 min
20 - 15 = 5
thus..4:20 - 15 = 4:05
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