how many 3 digit numbers between 800 and 900 have the same amount of hundreds and ones?

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Question by SooperPnai: how many 3 digit numbers between 800 and 900 have the same amount of hundreds and ones?
Please help! I’m really confused about this problem. Eventhough it’s a simple 3rd grade math problem.

=_=

Best answer:

Answer by doubtingTom
Simple

The answer is 90

No. of 3 digit numbers starting with ’8′ & ending in 1 = 10

(801, 811, 821, 831, 841, 851, 861, 871, 881 & 891)

Similarly, Number of the 3 digit numbers starting with 8 & ending in 2, 3, 4, 5, 6, 7, 8, 9 are = 80

So Number of 3-digit numbers starting with the same amount of hundreds & ones are = 90 ANSWER

Hope it helps.

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