If it takes 6 cups of flour to make 4 pancakes, it takes 1½ cups to make 1 pancake. So the unit rate is 1½ cups per pancake. Multiply the unit rate by 10 pancakes to calculate the answer: (1½)(10) = 15 cups of flour.
The most likely issue is dead RAM due to a chip getting damaged from the static electricity in your fingers. In that case, purchasing a new RAM is the only...
If Snapchat will not let you use a username, that means it is either taken or does not follow the guidelines. You'll need to find another username and try again.