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23 April, 01:35

Austin tried to remember his friend's house number. He knew that there were three digits: a 5, another 5 and a 7. He could not remember the order. How many different house numbers could it be?

a) 3

b) 6

c) 17

d) 27

+2
Answers (2)
  1. 23 April, 02:25
    0
    3

    Step-by-step explanation:

    557

    575

    755
  2. 23 April, 03:35
    0
    3

    Step-by-step explanation:

    557

    575

    755
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