Find the multiple of 50 which is between 300 and 700 whose sum of hundreds and tens digits is 9.

Answer: B. 450

Identify the Multiples of 50 between 300 and 700:
350, 400, 450, 500, 550, 600, 650.
Check the Sum of Hundreds and Tens Digits:
350: 3 + 5 = 8 (❌)
450: 4 + 5 = 9 (✅)
550: 5 + 5 = 10 (❌)
650: 6 + 5 = 11 (❌)
Result:
The only multiple of 50 in that range where the hundreds and tens digits add up to 9 is 450.

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