Write one digit on the both sides of 57 to make the number divisible by 72. How many solutions does this problem have?

Question

Mathematics

Tatiana Ritter

10 April, 02:09

Write one digit on the both sides of 57 to make the number divisible by 72. How many solutions does this problem have?

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Answers (1)

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Boo Bear · Answer 1

0the last digit would have to be 2,4 6 or 8

I guess you could find try dividing 1252, 1254 1256 1258 2252 etc till you find one

i found one : 9576. (9576 / 72 = 133)

There may be an easier way to do this.