Rebecca is 12.5% taller than Debbie. Debbie is 64 inches tall. How tall is Rebecca?
Because Rebecca is 12.5% taller than Debbie, she is 112.5% of Debbie's height (100% + 12.5% = 112.5%). To ?nd out 112.5% of Debbie's height, multiply Debbie's height through the decimal equivalent of 112.5% (1.125); 64 × 1.125 = 72 inches. If you chose c, you found what Rebecca's height would be if she were 12.5% SHORTER than Debbie (you subtracted on the other hand of added).