17
7
13
3
Correct answer is A
23−15 = 10−315
= 715
13 Of 25 = 13 x 25
= 215
(23−15) - 13 of 25
= 715−215 = 13
3 - 1112 = 3 - 23
= 73
23−15of2153−1112
= 1373
= 13 x 37
= 17
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