Determines 80517

Determines all two-digit numbers that have a greatest common divisor of 19 with the number 76

Correct answer:

x =  3

Step-by-step explanation:

76 = 2 × 2 × 19 = 22 × 19  a1=19 a2=3 a1=3 19=57 a3=5 a1=5 19=95  x=3



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