Arithmetic Sequence 1. Maria is texting a friend, she texts 3 words in the first second,6 words in the 2nd second, and 9 words in the third second. If she continues texting at this constant rate, how many words will Maria type in a minute?

2. Ralph participates in a hot dog eating contest, he ate 7 hot dogs in the first minute and 28 hotdogs in the fourth minute. Assuming that Ralph eats at a constant rate how many hotdogs did he eat in the third minute?

3. Peter is driving to a concert 300-miles away. One his road trip every hour he travels 60-miles. How many hours will it take Peter to get to the concert?