Question

Supriya and Sanya are huge fans of Tazo
cards. Supriya has a lot more cards than
Sanya and is willing to give her 256 cards
for a month. She will charge an interest of
100% per month compounded weekly
for these cards.
How many cards does Sanya have to give
back after a month?​

Answer 1

Answer:

In early production, first calcium cyanamide was converted into dicyandiamide, which was heated above its melting temperature to produce melamine. Today most industrial manufacturers use urea in the following reaction to produce melamine: 6 (NH2)2CO → C3H6N6 + 6 NH3 + 3 CO.