Deprina buys a large cup of coffee for $4.70 on her way to work everyday. If there are 24 workdays in the month, how much does Deprina spend on coffee throughout the entire month?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Find the missing dimension extra points

Charlie tosses five coins. what is the probability that all five coins will land tails up.