+9 A northbound train left at midnight. Three hours later, a southbound train left the same station. At 6 a.m. the two trains were 330 miles apart. Find the rate of the northbound train (in mph) if it traveled 10 mph faster than the southbound train.
Gerald peered into his wallet and found $270 in $10 and $20 bills. If there were 6 more $10 bills than $20 bills, how many $10 bills did he have?
During the sale, the price of the used car was marked down 10 percent. If the sale price of the used car was $1800, what was the price of the used car originally?
Michelle has a purse that contains 7 silver coins and 5 gold coins. She draws one coin at random and then draws a second coin. What is the probability that the first coin is gold and the second coin is silver if the coins are drawn WITH replacement?
Michelle has a purse that contains 7 silver coins and 5 gold coins. She draws one coin at random and then draws a second coin. What is the probability that the first coin is gold and the second coin is silver if the coins are drawn WITHOUT replacement?
+118724 You know opening up a post and finding a whole stack of questions is quite intimidating.
Plus it makes me feel like you are asking me to do all your homework for you.
Would you like to choose a question that you seriously cannot do yourself and i will start there? 
