Question

F. How many two-digit numbers are divisible by 5 ?​

Answer 1

Answer:

18

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Step-by-step explanation:

Answer 2

Answer:

$a = 10 \\ a _{n} = 95 \\ d =5 \\ a _{n} = a + (n - 1)d$

95=10+(n-1)5

95=10+5n-5

95-5=5n

90/5=n

18=n

So 18 two digit numbers are divisible by 5