Question

How many numbers of two digit are divisible by 3?

Answer 1

Answer:

a + (n-1)d formula will used for finding .

Step-by-step explanation:

as the two digit no start from 12 and ends 99 . which divisible by 3

we get..

99=12+(n-1)×3

87 = (n-1)×3

29= n -1

n = 30

so there are 30 two digits number ..

hope this help you...

Rj... TheRoarof lion...

Answer 2

12, 15 ,18......99

a=12

d =3

An= 99

An =a+(n-1) d

99= 12 +(n-1) 3

99 = 12 + 3n -3

99= 9 +3n

99 -9 =3n

90 =3n

90/3 = n

30 = n✔️✔️

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#misspeacee