Mathematics Test—No Calculator

, equals the fraction 5 over 7, and so . D C. must be greater than half of . B C, which is 24. Of the choices given, only one satisfies this condition, namely 28. If D C equals 28, then . B D. equals 48 minus 28 equals 20, confirming that the fraction . B D. over . D C, equals the fraction 20 over 28, which equals the fraction 5 over 7. ................
................

In order to avoid copyright disputes, this page is only a partial summary.