how many even numbers do we have in between of 10-20
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Answered by
0
Answer:
he even numbers between 10 and 20 are :10,12,14,16,18,20
(so there are 4 even numbers between 10 and 20 (without counting the 10 and 20 ))
Answered by
1
Answer:
Step-by-step explanation:
10 , 12 , 14 ......20
a = 10 , d = 14 - 12 = 2 , an = 20
an = a + (n-1)d
20 = 10 + (n- 1) 2
20 = 10 + 2n - 2
20 = 8 + 2n
8 + 2n = 20
2n = 20 - 8
2n = 12
n = 12/2
n = 6
therefore 6 even numbers are between 10 and 20
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