How many positive three-digit integers have the hundreds digit equal to 3 and the units digit (ones digit) equal to 4 ?

(A) 10

(B) 19

(C) 20

(D) 190

(E) 200

Level of Difficulty E

Three digit numbers that can have a 3 in the hundreds place range from 300 to 399. If we require a 4 in the units place, we can have 304, 314, 324, ... 394. It's simple to count them, which gives 10 numbers, or choice A.

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