D. 6.658 16. The sum of 6 + 0.413 - 0.173 is A. 0.6586 B. 6.586 C. 6.865 16. Subtract 0.9289 and 0.7493. The difference is A. 0.2216 B. 0.1796 C. 1.6782 17. For her father's birthday, Cielo bought a gift worth P206.50. How much of her five hundred peso bill was left? D. 0.0796