Andrew M. answered 04/26/18
Tutor
New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
The criteria of the problem is
40 ≤ xy ≤ 50
where xand y are integers between 1 and 9 inclusive
40 ≤ xy ≤ 50
where xand y are integers between 1 and 9 inclusive
5(8) = 40
5(9) = 45
6(7) = 42
6(8) = 48
7(7) = 49