How many 2-digit numbers are not divisible by 13

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Математика

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20 января, 15:06

How many 2-digit numbers are not divisible by 13

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Флориана · Answer 1

Это на английском? напиши на русском я вроде в математике разбираюсь!

Федюша · Answer 2

Two-digit numbers start from 10 and go up to 99, so there's 89 two-digit numbers.

if you'd try to figure out how many of them ARE divisible by 13, you'd get a 7.

so 89-7=82